Kitsa, Otterball Elite is a mythic Legendary Creature — Otter Wizard card from Bloomburrow (BLB), collector number 304. Current market price: $7.32 (foil $11.31), TCGplayer market prices via Scryfall.
Vigilance Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.) {T}: Draw a card, then discard a card. {2}, {T}: Copy target instant or sorcery spell you control. You may choose new targets for the copy. Activate only if Kitsa's power is 3 or greater.