Garruk of the Elements

+1: Target creature must block this turn if able and it must block the creature with the greatest power among attacking creatures.
-2: Put two +1/+1 counters on up to one target creature. Garruk of the Elements deals 2 damage to each other creature.
-8: For each opponent, destroy three permanents that player controls. Return up to three of those permanents to the battlefield under your control.