Springwake Restorer

Convoke (Your creatures can help cast this spell.
Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.)
If you would gain life, you gain twice that much
life instead.
"It came to me in an hour of agony, and left me in a
moment of tranquil serenity. To that, I'm thankful."
-- Gaddock Teeg, Kithkin Advisor