Ishai, Ojutai Dragonspeaker is a mythic Legendary Creature — Bird Monk card from Bloomburrow Commander (BLC), collector number 89. Current market price: $7.39 (foil $16.14), TCGplayer market prices via Scryfall.
Flying Whenever an opponent casts a spell, put a +1/+1 counter on Ishai. Partner (You can have two commanders if both have partner.)