Gelectrode [Duel Decks: Izzet vs. Golgari]Set: Duel Decks: Izzet vs. Golgari Type: Creature Weird Rarity: Uncommon Cost: {1}{U}{R} {T}: Gelectrode deals 1 damage to any target. Whenever you cast an instant or sorcery spell, you may untap Gelectrode. "Diametrically opposing energies in self sealed plasmodermic bubbles make great pets!" Trivaz, Izzet mage

and he was gone

{3}{W}: Tap target creature

Set: Black & White: Boundaries Crossed Type: Colorless Rarity: Common Retreat cost: Colorless

our roar will level mountains

Set: Gym Heroes Unlimited Type: Stadium Rarity: Uncommon

They make funny little popping sounds when they die

Set: Sun & Moon: Lost Thunder Type: Fire Rarity: Ultra Rare Retreat cost: Colorless

{T}: You may put a basic land card from your hand onto the battlefield tapped

Set: Fourth Edition Type: Creature — Merfolk Rarity: Rare Cost: {U}{U} Other Merfolk get +1/+1 and have islandwalk

Set: Legends Type: Legendary Creature — Cat Warrior Rarity: Uncommon Cost: {4}{W}{W}{U} Mightiest of the Cat Warriors

but the skies are even more so

Set: HeartGold & SoulSilver: Call of Legends Type: Metal Rarity: Ultra Rare Retreat cost: Colorless