Wartortle

Whenever Wartortle is dealt damage,
prevent 1 of it.
{u}{t}: Deal 2 damage to any target.
{4} Sacrifice Wartortle: Search your hand and
library for a card named Blastoise, and place it
in the battlefield. Shuffle your library afterwards.
You can only activate this ability if a creature
dealt damage by Wartortle died this turn.