Slimefoot and Squee is a mythic Legendary Creature — Fungus Goblin card from March of the Machine Commander (MOC), collector number 450. Current market price: $9.17 (foil $15.49), TCGplayer market prices via Scryfall.
Whenever Slimefoot and Squee enters or attacks, create a 1/1 green Saproling creature token. {1}{B}{R}{G}, Sacrifice a Saproling: Return this card and up to one other target creature card from your graveyard to the battlefield. Activate only as a sorcery.