Wooded Wastes
Land (Rare)

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

Tap: Add G to your mana pool. Activate this ability only if you control a Forest.

Tap: Add B to your mana pool. Activate this ability only if you control a Swamp.

Sacrifice an artifact: You gain 1 life.

Jesper Grant West