Temple Ruins
Land-Plains Swamp (Rare)

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

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

1W, Tap: Target creature gains vigilance until end of turn.

BB, Tap, Sacrifice Temple Ruins: Put a -1/-1 counter on target creature.

Chippy Guay