Prevent all combat damage that would be dealt this turn by creatures with no +1/+1 counters on them.
"Woodlands and laws. Both grow faster than the Azorius's ability to manage them."
—Suniel the Woodwise
: Add one mana of any type that a land you control could produce. If this creature has a +1/+1 counter on it, add three mana of that type instead.
: Adapt 3. (If this creature has no +1/+1 counters on it, put three +1/+1 counters on it.)
Kicker
Choose one. If this spell was kicked, choose any number instead.
• Put two +1/+1 counters on target creature.
• Target player gains X life, where X is the greatest power among creatures they control.
• Target creature you control fights target creature you don't control.
Draw a card for each creature you control with a +1/+1 counter on it. Those creatures gain indestructible until end of turn. (Damage and effects that say "destroy" don't destroy them.)
"Now is the hour. Ours is the duty. For victory and family—charge!"
Trample
This creature enters with four +1/+1 counters on it.
Whenever this creature attacks, double the number of +1/+1 counters on each creature you control.
Even baloths fear its feeding time.
Search your library for up to two basic land cards, reveal those cards, put one onto the battlefield tapped and the other into your hand, then shuffle.
"The land grows only where the kami will it."
—Dosan the Falling Leaf
Trample
Whenever a player casts a spell, put a +1/+1 counter on this creature.
When this creature enters, put a +1/+1 counter on target creature you control.
Each creature you control with a +1/+1 counter on it has trample. (It can deal excess combat damage to the player or planeswalker it's attacking.)
Choose one —
• Destroy target artifact.
• Destroy target enchantment.
• Exile target card from a graveyard.
"Long after the magic wore off, the mice still dreamed of glorious galloping."
—Tales of the Fae
When Rishkar enters, put a +1/+1 counter on each of up to two target creatures.
Each creature you control with a counter on it has ": Add ."
"Aether is the soul of Kaladesh, and all souls should be free."
Destroy target artifact or enchantment.
Investigate. (Create a Clue token. It's an artifact with ", Sacrifice this token: Draw a card.")
Slurrk enters with five +1/+1 counters on it.
Whenever Slurrk or another creature you control dies, if it had a +1/+1 counter on it, put a +1/+1 counter on each creature you control that has a +1/+1 counter on it.
Partner (You can have two commanders if both have partner.)
Landfall — Whenever a land you control enters, create a Food token or a Treasure token. (Food is an artifact with ", , Sacrifice this token: You gain 3 life." Treasure is an artifact with ", Sacrifice this token: Add one mana of any color.")
Landfall — Whenever a land you control enters, investigate. (Create a Clue token. It's an artifact with ", Sacrifice this token: Draw a card.")
Whenever you sacrifice a Clue, put a +1/+1 counter on this creature.
Enchant land
When this Aura enters, investigate. (Create a Clue token. It's an artifact with ", Sacrifice this token: Draw a card.")
Enchanted land has ": Add two mana of any one color."
When this creature enters, search your library for a Forest card, put that card onto the battlefield, then shuffle.
Every branch a crossroads, every vine a swift steed.
Deathtouch, lifelink
Other legendary creatures you control get +2/+2.
"I won't abandon the Weatherlight. My destiny is to serve at Jhoira's side. This 'illness' means I must trust my faith more and myself less."
Vigilance
, : Create a 2/2 white Knight creature token with vigilance.
, , Tap X untapped Knights you control: Destroy target creature with power X or less.
Creature tokens you control have flying.
, , Sacrifice a token: Create a 4/4 green Beast creature token. Activate only as a sorcery.
"What do you want to be, now that you're grown up?"
—Yolov, Simic bioengineer
If one or more +1/+1 counters would be put on a creature you control, that many plus one +1/+1 counters are put on that creature instead.
When this creature dies, you gain life equal to its power.
"I have faith in your potential."
Whenever another creature you control enters, each opponent loses 1 life.
"With each knight that rode out from the bone-white keep, the queen's soldiers felt their courage failing."
—Krinnea, Siege of the Bone Spire
Exile target permanent with mana value 4 or greater.
Liliana whispered to whatever consciousness Oketra and Bontu had left. "You are the gods. He is the usurper. You know what to do."
Choose two —
• Prevent all damage target instant or sorcery spell would deal this turn.
• Target player sacrifices an enchantment of their choice.
• Put a +1/+1 counter on target creature.
• Target creature you control fights target creature you don't control.
When this creature enters, if you control two or more Mountains, you may destroy target artifact.
When this creature enters, if you control two or more Plains, you may destroy target enchantment.
Flying
Whenever one or more +1/+1 counters are put on another creature you control, you may put a +1/+1 counter on this creature.
Only the sun that beats down upon Arashin's walls could shine more brightly.
Whenever another creature you control enters, put a +1/+1 counter on that creature.
Catching even a glimpse of one is the start of eight years of good luck.
This spell costs less to cast for each creature you control with a +1/+1 counter on it.
Creature spells you cast cost less to cast for each creature you control with a +1/+1 counter on it.
"I stand with every member of my clan, and they stand with me."
Heaven deals X damage to each creature with flying.
Aftermath (Cast this spell only from your graveyard. Then exile it.)
Earth deals X damage to each creature without flying.
Whenever you draw your second card each turn, create a 1/1 blue Faerie creature token with flying.
: Draw a card, then discard a card.
"I agreed to light his way as long as he always had my back."
—Squill, Mistford pixie
Whenever another creature you control enters, put a +1/+1 counter on that creature and a +1/+1 counter on this creature.
To protect the alliance between Kjeldor and Yavimaya, they trained in the ways of both.
, Sacrifice another nontoken creature: Create a 1/1 white and black Spirit creature token with flying.
Afterlife 3 (When this creature dies, create three 1/1 white and black Spirit creature tokens with flying.)
When this creature enters, you become the monarch.
Whenever an opponent becomes the monarch, if you were the monarch as the turn began, that player loses 2 life and you gain 2 life.
"Hail to the true queen! Long may she reign!"
Whenever a Knight you control attacks, each opponent loses 1 life and you gain 1 life.
, Sacrifice this enchantment: Return all Knight creature cards from your graveyard to the battlefield.
"By hoof, wing, or paw. For the realm!"
—Syr Gwyn, Hero of Ashvale
Flying
Whenever you cast a noncreature spell, create a 1/1 white Spirit creature token with flying.
Sacrifice a Spirit: Add .
"The raging gale fans the flames of righteous wrath."
Flying
Whenever you draw a card, create a 1/1 blue and red Insect creature token with flying and haste.
: Draw a card, then discard a card.
When The Locust God dies, return it to its owner's hand at the beginning of the next end step.
Create four 1/1 white Bird creature tokens with flying.
Basic landcycling (, Discard this card: Search your library for a basic land card, reveal it, put it into your hand, then shuffle.)
Destroy target creature or enchantment.
"Your debt is erased."
—Hilgur, Orzhov euthanist
Whenever you cast a noncreature spell, create a 1/1 colorless Servo artifact creature token.
[−2]: Target artifact you control becomes a copy of another target artifact or creature you control until end of turn, except it's an artifact in addition to its other types.
Struggle deals damage to target creature equal to the number of lands you control.
Aftermath (Cast this spell only from your graveyard. Then exile it.)
Each player shuffles their graveyard into their library.
Return a creature you control to its owner's hand, then destroy all creatures.
"To comprehend the full answer requires years of temporal study. In short, they were now never born in the first place."
—Teferi
Exile target nonland permanent.
"I came seeking a challenge. All I found was you."
—Zurgo, khan of the Mardu
Vigilance, lifelink
, Pay 7 life: Destroy target nonland permanent. Activate only during your turn.
"For four hundred years, I have led armies of conquest. These lands hold nothing that can stand against me."
Destroy target artifact.
Fuse (You may cast one or both halves of this card from your hand.)
Destroy target enchantment.
Fuse (You may cast one or both halves of this card from your hand.)
Whenever you cast a noncreature spell, draw a card.
As Narset struggled to meditate, tiny dragonlings spiraled around her, conjuring thoughts of ancient clans.
Deathtouch
Wintermoor Commander's toughness is equal to the number of Knights you control.
Whenever this creature attacks, another target Knight you control gains indestructible until end of turn. (Damage and effects that say "destroy" don't destroy it.)
If you would create a Clue, Food, or Treasure token, instead create one of each.
Automated systems at the Tolarian Academy sort new acquisitions for optimal use, determining which should be studied, eaten, or sold.
Flash
This spell costs less to cast for each attacking creature.
Trample
When this creature dies, create a 6/12 colorless Construct artifact creature token with trample.
: Add one mana of any color in your commander's color identity.
It started as a mere drop of water. The Magic Mirror crystallized it into much more.
Equipped creature gets +2/+0.
Whenever equipped creature deals combat damage to a player, create a token that's a copy of this Equipment.
Equip
Spilled blood always begets more of the same.
Changeling (This card is every creature type.)
As this creature enters, choose a creature type.
Whenever another creature you control of the chosen type enters, put a +1/+1 counter on this creature.
, Sacrifice this creature: Search your library for up to two basic land cards, put them onto the battlefield tapped, then shuffle.
Forged by divine hands to wander mortal realms.
: Add one mana of any color in your commander's color identity.
Sacrifice this artifact: Draw a card.
It harmonizes with the essence of its master.
When this artifact enters, draw three cards.
: Add three mana of any one color.
Whenever one or more creatures an opponent controls attack you and aren't blocked, that player draws three cards and gains control of this artifact. Untap it.
: Add one mana of any color.
Crew 3 (Tap any number of creatures you control with total power 3 or more: This Vehicle becomes an artifact creature until end of turn.)
Imprint — When this creature enters, you may exile target nontoken creature.
As long as a card exiled with this creature is a creature card, this creature has the power, toughness, and creature types of the last creature card exiled with it. It's still a Shapeshifter.
: Add one mana of any color that a land an opponent controls could produce.
"What do you have that I cannot obtain?"
—Mairsil, the Pretender
: Add .
: Roll the planar die. Activate only as a sorcery.
The Thran learned to capture mana, but power inevitably escapes its bonds.
, : Add .
Gruul territorial markings need not be legible. The blood, snot, and muck used to smear them are unmistakably Gruul.
: Add .
, , Sacrifice this artifact: Draw two cards.
"You've begun to understand the hedrons' true purpose," said Ugin. "The Eldrazi can be imprisoned."
"And how did that work out last time?" asked Jace.
As this artifact enters, choose a creature type.
Creature spells you cast of the chosen type cost less to cast.
At the beginning of your upkeep, look at the top card of your library. If it's a creature card of the chosen type, you may reveal it and put it into your hand.