Bolas, Reclaimed Glory

+3: Remove all counters from a target permenant controlled by an opponent.
-3: Destroy target planeswalker controlled by an opponent. For every 5 loyalty counters on that card, starting from 1, add 1 loyalty counter to Bolas
-10: Exile all planeswalkers on the field. Create a 10/10 dragon token with indestructible and trample. Add +1/+1 counters for Bolas' current loyalty.