Catastrophe [The List] Nightmare Bird Set: Duels of the Planeswalkers

Set: Duels of the Planeswalkers Promos 2014 Type: Creature — Avatar Rarity: Mythic Cost: {4}{G}{G} Reach

Set: Magic 2010 Type: Creature — Elemental Rarity: Rare Cost: {R}{R}{R} Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking

Set: Prerelease Events Type: Creature — Basilisk Rarity: Rare Cost: {4}{G}{G}{G} Whenever Stone-Tongue Basilisk deals combat damage to a creature

If time gets more votes

{X}{W}{W}: Monstrosity X

Catastrophe [The List] Nightmare Bird Set: Duels of the PlaneswalkersSet: The List Type: Sorcery Rarity: Rare Cost: {4}{W}{W} Destroy all lands or all creatures. Creatures destroyed this way can't be regenerated. Radiant's eyes flashed. "Go, then," the angel spat at Serra, "and leave this world to those who truly care."