Iron-Craw Crusher [The Brothers' War]

Set: The Brothers' War Type: Artifact Creature — Wurm Rarity: Uncommon Cost: {7} Prototype {2}{G}{G} — 2/5 (You may cast this spell with different mana cost, color, and size. It keeps its abilities and types.) Whenever Iron-Craw Crusher attacks, target attacking creature gets +X/+0 until end of turn, where X is Iron-Craw Crusher's power.