Cursed Highlands
Land (Rare)

At the beginning of your end step, if you didn't cast any spells this turn, Cursed Highlands deals 1 damage to you.

Tap: Add B or R to your mana pool.

Put Cursed Highlands on top of your library: Add 1 to your mana pool.

1: Cursed Highlands becomes a 2/2 red Ape creature until end of turn. It's still a land.

Steve Moeller