Dargon the Barbarian

+2: Barbarian Horde - Create a 2/2 Red Barbarian Human with Haste. Each Barbarian has "If this creature is blocked, destroy it at the end of turn."
-X: Distrust of Magic - Counter target spell unless its controller pays X. Use this as an interrupt.
-X: "MALJAR!!!" - Dargon rages and throws his magical axe. Deal X damage to any target. If a creature is killed this way, exile it.