Hallowed Springs
Land-Mountain Plains (Rare)

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

Hallowed Springs enters the battlefield tapped unless you pay R.

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

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

John Palck