The Boulder, Ready to Rumble Art Card (Gold-Stamped Signature) [Avatar: The Last Airbender Art Series] Mystery Booster 2 Playtest Cards Whenever one or more creatures

Whenever one or more creatures you control with power 7 or greater deal combat damage to a player

Set: March of the Machine Prerelease Promos Type: Legendary Creature — Phyrexian Praetor Rarity: Mythic Cost: {3}{U}{U} Ward {2}

Whenever an opponent sacrifices a creature

Whenever Bumi deals combat damage to a player

Set: Murders at Karlov Manor Promos Type: Sorcery Rarity: Rare Cost: {X}{X}{X}{G}{U} For each of X target permanents

The Boulder, Ready to Rumble Art Card (Gold-Stamped Signature) [Avatar: The Last Airbender Art Series] Mystery Booster 2 Playtest Cards Whenever one or more creaturesSet: Avatar: The Last Airbender Art Series Rarity: Common