Avacyn, Angel of Hope [Iconic Masters] Serpent lose life equal to its

lose life equal to its power

Set: Dragons of Tarkir Type: Legendary Creature — Zombie Naga Rarity: Rare Cost: {3}{B}{B} Deathtouch

Set: Worldwake Type: Creature — Kor Artificer Rarity: Rare Cost: {1}{W} When Stoneforge Mystic enters the battlefield

then you gain 1 life for each permanent of that color

Some just help with the taking

Avacyn, Angel of Hope [Iconic Masters] Serpent lose life equal to itsSet: Iconic Masters Type: Legendary Creature Angel Rarity: Mythic Cost: {5}{W}{W}{W} Flying, vigilance, indestructible Other permanents you control have indestructible. A golden helix streaked skyward from the Helvault. A thunderous explosion shattered the silver monolith and Avacyn emerged, free from her prison at last.