Aura Shards [Mystery Booster] Zombie Fish Set: Mirrodin Besieged Type: Creature

Set: Mirrodin Besieged Type: Creature — Phyrexian Wurm Rarity: Mythic Cost: {3}{B}{B}{B} When Massacre Wurm enters the battlefield

Set: Fourth Edition Type: Instant Rarity: Rare Cost: {U} Change the text of target spell or permanent by replacing all instances of one color word with another

Set: Unstable Type: Creature — Human Spy Rigger Rarity: Uncommon Cost: {4}{U} Whenever Suspicious Nanny deals combat damage to a player

You have to be quick to avoid their steps

Aura Shards [Mystery Booster] Zombie Fish Set: Mirrodin Besieged Type: CreatureSet: Mystery Booster Type: Enchantment Rarity: Uncommon Cost: {1}{G}{W} Whenever a creature enters the battlefield under your control, you may destroy target artifact or enchantment. Gaea forged her soldiers into self wielding weapons that struck down all impurities.