Tainted Peaks

Whenever a player takes damage, put a +1/+1 counter on Tainted Peaks. Tap a creature: Tainted Peaks deals 1 damage to you, Choose 1- -Tainted Peaks gains haste until end of turn. -Tainted Peaks gains first strike until end of turn. Tap each creature you control: Each creature deals damage to itself equal to its power. Activate this ability only if Tainted peaks has 10 or more +1/+1 counters on it.