Etienne, the Annihilator

+1: Add (X) mana in any color combination where (X) is equal to the number of creatures you control. Each other player draws a card.
0: Create a 1/1 chicken token with "When this creature dies, draw a card and put a loyalty counter on Etienne, the Annihilator".
-X: Sacrifice (X) creatures. Destroy (X) target creatures and/or artifacts and/or enchantments. Gain (X) life and draw (X) cards.