Verdant Eidolon is a common Creature — Spirit card from Dissension (DIS), collector number 100. Current market price: $0.18 (foil $1.69), TCGplayer market prices via Scryfall.
{G}, Sacrifice this creature: Add three mana of any one color. Whenever you cast a multicolored spell, you may return this card from your graveyard to your hand.