Riku, Hero of Dawn

+1: Put three +1/+1 counter on this card. Exile a card of your choosing in your discard pile
-1: Deal 2 damage to 2 different targets, and exile one card from your Opponent's discard pile. Then, gain 1 life.
-7: Deal X damage to as many targets as you choose, where X is the amount of exiled cards, both yours and your opponent's.