Exploding Blood

Technique. (in order to cast this card you must
own a creature or planeswalker that shares a
subtype with this spell.)
Sacrifice a Demon: Return target creature from
your graveyard to your hand.
Buyback {p/b}{p/r} (You may pay an additional cost as
you cast this spell. If the buyback cost was paid, put
this spell into its owner’s hand instead of into that
player’s graveyard as it resolves.)