Imperious Perfect [Champs and States] Avatar Incarnation Set: Visions Type: Sorcery Rarity:

Set: Visions Type: Sorcery Rarity: Rare Cost: {2}{G}{G} As an additional cost to cast this spell

but not more life than the player's life total before the damage was dealt

if three or more cards were put into your graveyard this turn from anywhere

Set: Kaladesh Prerelease Promos Type: Artifact Rarity: Rare Cost: {4} Each player may play an additional land on each of their turns

They only specify the consequences should you fail

Imperious Perfect [Champs and States] Avatar Incarnation Set: Visions Type: Sorcery Rarity:Set: Champs and States Type: Creature Elf Warrior Rarity: Rare Cost: {2}{G} Other Elves you control get +1 +1. {G}, {T}: Create a 1 1 green Elf Warrior creature token.