Consume Spirit

#21

Sorcery

Spend only black mana on X. Consume Spirit deals X damage to any target and you gain X life.

Mephidross changes all who dwell there, taking their lives and adding them to its own.

Legalities

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Rulings (2)

2009-10-01 The amount of life you gain is equal to the number chosen for X, not the amount of damage Consume Spirit deals (in case some of it is prevented).
2009-10-01 If the targeted permanent or player is an illegal target by the time Consume Spirit would resolve, the entire spell doesn’t resolve. You won’t gain any life.