Choose a creature type other than Wall. Each creature becomes that type until end of turn.
At that point, the wizards' argument got a lot uglier.
Onslaught (Rare) Onslaught
Near Mint Condition
A card in Near Mint condition shows minimal to no wear from shuffling or general play. Cards classified as Near Mint/Mint are generally indistinguishable from cards in an unsleeved deck of other Near Mint/Mint cards. Foils in this condition have little or no scuffing or clouding on the front and edges of the card.