Dross Scorpion [Mirrodin] World Championships 2012 Reverse Type: Instant — Adventure

Reverse Type: Instant — Adventure Target creature gains indestructible until end of turn

That's precisely why they show up

Set: Shadows over Innistrad Type: Creature — Human Cleric Rarity: Uncommon Cost: {3}{W} Lifelink

Guttersnipe deals 2 damage to each opponent

Sacrifice Sterling Grove: Search your library for an enchantment card

Dross Scorpion [Mirrodin] World Championships 2012 Reverse Type: Instant — AdventureSet: Mirrodin Type: Artifact Creature Scorpion Rarity: Common Cost: {4} Whenever Dross Scorpion or another artifact creature dies, you may untap target artifact. They skitter out of the mists to consume fresh kill before Mephidross has a chance to corrode it away.