Arid Bank
Land-Mountain Plains (Rare)

(Tap: Add R or W to your mana pool.)

When Arid Bank enters the battlefield, sacrifice it unless you pay W.

W, Tap, Sacrifice Arid Bank: Prevent all combat damage that would be dealt this turn.

2, Tap: Target land becomes a 3/3 red Orc creature until end of turn. It's still a land.

Allan Grant West