Resounding Luminescence

Gain life equal to the amount of cards in
your hand.
Rebound (If you cast this spell from your
hand, exile it as it resolves. At the beginning of
your next upkeep, you may cast this card from
exile without paying its mana cost.)
---{dash}{dash}{dash}{dash}{dash}{dash}{dash}{dash}{dash}{dash}{dash}{dash}{dash}{dash}{dash}{dash}{dash}{dash}{dash}{dash}{dash}{dash}{dash}{dash}{dash}{dash}{dash}{dash}{dash}{dash}{dash}{dash}
Sometimes you've gotta dig a little deeper.