Verdant Eidolon 
Creature — Spirit
, 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.
Legality
standardNOT LEGALpioneerNOT LEGALmodernLEGALlegacyLEGALvintageLEGALcommanderLEGAL