At the beginning of the end step, if you control no creatures, sacrifice this land.
: Add one mana of any color.
Serra Avatar's power and toughness are each equal to your life total.
When Serra Avatar is put into a graveyard from anywhere, shuffle it into its owner's library.
Other Merfolk get +1/+1 and have islandwalk. (They can't be blocked as long as defending player controls an Island.)
A master of tactics, the Lord of Atlantis makes his people bold in battle merely by arriving to lead them.
White creatures get +1/+1.
, , Sacrifice this creature: Destroy target enchantment.
"Make me thy lyre, even as the forest is: What if my leaves are falling like its own!"
—Percy Bysshe Shelley,
"Ode to the West Wind"
Whenever this land becomes tapped, it deals 1 damage to you.
: Add one mana of any color.
"Enter this palace-gate and ask the news Of greatness fallen into dust and clay."
—The Arabian Nights, trans. Burton
Volcanic Hammer deals 3 damage to any target.
Cast the weight as though it were a die, to see a rival's fate.
Target creature gets +3/+3 until end of turn.
Flying
Menace (This creature can't be blocked except by two or more creatures.)
This creature can block an additional creature each combat.
: This creature gets +2/+0 until end of turn.
Haste
Whenever this creature deals combat damage to a player, put a +1/+1 counter on it.
The slith incubate in the Great Furnace's heat, emerging on Mirrodin's surface only when the four suns have aligned overhead.
: Destroy target tapped creature.
Trained in the arts of stealth, royal assassins choose their victims carefully, relying on timing and precision rather than brute force.
Sacrifice this creature: Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.
There were no tombstones in orochi territory. Slain warriors were buried with a tree sapling, so they would become a part of the forest after death.
Flying (This creature can't be blocked except by creatures with flying or reach.)
Sacrifice this creature: It deals 2 damage to each creature without flying.
: Return this card from your graveyard to your hand. Activate only during your upkeep.
Protection from red
Shadow (This creature can block or be blocked by only creatures with shadow.)
"In Rath," the priest said, "there is even greater need for prayer."
Protection from black
At the beginning of each end step, if this creature dealt damage to an opponent this turn, put a +1/+1 counter on it.
Amid this whirling hurricane of blades, there is no calm eye in which the hapless can find shelter.
Creatures you control get +1/+1.
The songs of angels are perceived not as words in the ears but as stirrings in the soul.
Other Elf creatures get +1/+1 and have forestwalk. (They can't be blocked as long as defending player controls a Forest.)
"We've endured your slights to Gaea with the grace of tolerance. Now behold the grace of our ferocity."
Other Goblin creatures you control get +1/+1.
: Regenerate another target Goblin.
One part cunning, one part wise, and many, many parts demented.