Leyline Immersion - March of the Machine: The Aftermath

Leyline Immersion

Enchantment — Aura

Enchant legendary creature

Enchanted creature has ward and ": Add five mana in any combination of colors. Spend this mana only to cast spells."

When Nissa tapped into Zhalfir's leylines, she was shocked to feel not a piece of Dominaria, but a plane all its own.

Legalities