Alandra, Sky Dreamer is a rare Legendary Creature — Merfolk Wizard card from Murders at Karlov Manor Commander (MKC), collector number 94. Current market price: $8.74, TCGplayer market prices via Scryfall.
Whenever you draw your second card each turn, create a 2/2 blue Drake creature token with flying. Whenever you draw your fifth card each turn, Alandra and Drakes you control each get +X/+X until end of turn, where X is the number of cards in your hand.