Clockwork Prophetess

Flying
Techmage Odd —Whenever you cast your
first, third, fifth or seventh spell each turn,
you may reveal the top card of your library.
If you do, until end of turn you may cast it if its
converted mana cost is even.
Techmage Even —Whenever you cast your
second, fourth, sixth, or eighth spell each turn,
you may reveal the top card of your library.
If you do, until end of turn you may cast it if its
converted mana cost is odd.