Valtryek, the Lightning Queen

Partner with Valt, the Unpredictable
Haste, Trample, Menace,
Magecraft— Whenever you cast or copy an
instant or sorcery, draw X cards, then you may
play a non instant or sorcery card from your hand without paying its mana cost. Draw 2 cards.
Whenever you attack, exile the top card of each players library, you may play instants or sorceries without playing their mana cost.
Each instant and sorcery in your graveyard has flashback {r}{u}{2}.