Mudbutton Clanger is a common Creature — Goblin Warrior card from Morningtide (MOR), collector number 95. Current market price: $0.17 (foil $0.49), 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, this creature gets +1/+1 until end of turn.