Kisar Dragonheart, King

+2: For each dragon you control (Including Kisar) each opponent must discard a card, sacrifice a permanent, or take 3 damage
-3: Both players discard their hands. Deal damage equal to the number cards discarded distributed among any number of nonplayer targets.
-10: Summon any number of dragons from hand, deck, or graveyard. They gain haste until end of turn.