Orrezumir, Ceaseless Storm

Flying, Haste, Prowess
Whenever Orrezumir, Ceaseless Storm deals combat damage to a player, or whenever you counter a spell, put a +1/+1 counter on Orrezumir, Ceaseless Storm.
Remove four +1/+1 counters from Orrezumir, Ceaseless Storm: The next instant or sorcery spell you cast this turn gains Storm.