Dina, Soul Steeper is a uncommon Legendary Creature — Dryad Druid card from Multiverse Legends (MUL), collector number 37. Current market price: $0.31 (foil $0.37), TCGplayer market prices via Scryfall.
Whenever you gain life, each opponent loses 1 life. {1}, Sacrifice another creature: Dina gets +X/+0 until end of turn, where X is the sacrificed creature's power.