Rootcoil Creeper 
Creature — Plant Horror
: Add one mana of any color.
: Add two mana of any one color. Spend this mana only to cast spells from your graveyard.
, , Exile this creature: Return target card with flashback you own from exile to your hand.
Legality
standardNOT LEGALpioneerLEGALmodernLEGALlegacyLEGALvintageLEGALcommanderLEGAL