Kasmina, Enigmatic Mentor is a uncommon Legendary Planeswalker — Kasmina card from War of the Spark (WAR), collector number 56. Current market price: $0.38 (foil $0.59), TCGplayer market prices via Scryfall.
Spells your opponents cast that target a creature or planeswalker you control cost {2} more to cast. −2: Create a 2/2 blue Wizard creature token. Draw a card, then discard a card.