Heart-Piercer Bow [Commander Masters] XY112 where X is 1 plus

where X is 1 plus the exiled creature's mana value

Set: March of the Machine Type: Creature — Phyrexian Crocodile Rarity: Common Cost: {4}{B}{B} When Injector Crocodile dies

{G}: Regenerate Hunted Troll

Set: Innistrad: Crimson Vow Type: Instant Rarity: Common Cost: {2}{U} Counter target creature or planeswalker spell

Set: Dungeons & Dragons: Adventures in the Forgotten Realms Type: Artifact Rarity: Uncommon Cost: {W} When Portable Hole enters the battlefield

Heart-Piercer Bow [Commander Masters] XY112 where X is 1 plusSet: Commander Masters Type: Artifact Equipment Rarity: Common Cost: {2} Whenever equipped creature attacks, Heart Piercer Bow deals 1 damage to target creature defending player controls. Equip 1 (1: Attach to target creature you control. Equip only as a sorcery.)