Arcane Sphinx

Flying

Whenever Arcane Sphinx attacks, you may draw two cards. If you do, discard a card unless you pay {1}{u}

{1}{u}{t}: Scry 3. You may reveal the top card of your library. If it’s an instant or sorcery card, you may cast it without paying its mana cost.

Spells your opponents cast that target Arcane Sphinx cost 2 more to cast.