Oketra, God-Warrior

0: Create three 1/1 Cat tokens. Then, put a number of loyalty counters on Oketra, God-Walker equal to the number of cats you control.
-2: Exile target nonland, non-cat permanent. It's controller loses life equal to it's power.
-10: Create fifteen arrow tokens with "Sacrifice this token: Deal damage equal to your devotion to white to any target."