Reverse // Reveal

(When you cast this spell, choose one of the halves to
cast.)
Reverse {1}{u}: Put target spell with mana value 2
or less on the bottom of its owner's library.
Reveal {2}{r}: Reveal the top card of your library.
You may have Reveal deal X damage to target creature, where X is the revealed card's mana
value. If you don't, you may play the revealed
card this turn.