Eqille, Puresight Aethermage

Hexproof, Lifelink
White spells you cast cost {1} less to cast.
Blue spells you cast cost {1} less to cast.
Whenever Eqille, Puresight Aethermage deals
combat damage to a player, look at the top three
cards of your library. Put one of them into your
hand and the rest on the bottom of your library
in any order.