Jevil, Chaos Chaos

+2: Create a 3/1 Devilsknife creature token with haste and first strike. Creatures you control gain double strike until end of turn.
+2: Create a 1/3 Jevilstail creature token with defender and reach. Creatures you control gain +1/+2 until the beginning of your next turn.
-10: You get an emblem that says, "Planeswalkers you control can activate one additional ability anytime before the beginning of your next turn."