Etali, Primal Storm

Whenever Etali attacks, exile the top card of each player's library, then you may cast any number of spells from among those cards without paying their mana costs.

The Cinematic Phoenix

Flying, haste, protection from red
{1}, {T}: Return target legendary creature card from your graveyard to the battlefield.
Tap six untapped creatures you control: Return The Cinematic Phoenix from your graveyard to the battlefield. If you tapped six legendary creatures this way, you win the game.