Invasion of Lorwyn // Winnowing Forces

CMC 6

Battle — Siege // Creature — Elf Warrior

(As a Siege enters, choose an opponent to protect it. You and others can attack it. When it's defeated, exile it, then cast it transformed.) When this Siege enters, destroy target non-Elf creature an opponent controls with power X or less, where X is the number of lands you control.

Defense: 5