Xathrid Gorgon [Magic 2013]

Set: Magic 2013 Type: Creature — Gorgon Rarity: Rare Cost: {5}{B} Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.) {2}{B}, {T}: Put a petrification counter on target creature. It gains defender and becomes a colorless artifact in addition to its other types. Its activated abilities can't be activated. (A creature with defender can't attack.)