Ink Dissolver is a common Creature — Merfolk Wizard card from Morningtide (MOR), collector number 36. Current market price: $0.12 (foil $0.56), TCGplayer market prices via Scryfall.
Kinship — At the beginning of your upkeep, you may look at the top card of your library. If it shares a creature type with this creature, you may reveal it. If you do, each opponent mills three cards.