Rayquaza, Sky Ruler

Flying, Indestructible, Menace

If Rayquaza, Sky Ruler would enter the battlefield, if you didn't pay it's mana cost, sacrifice it and every other creature you control

{w}{u}{b}{r}{g}: Choose two creatures opponents control, those creatures fight each other, then Rayquaza, Sky Ruler fights both of those creatures

{5}: Return Rayquaza, Sky Ruler from your graveyard to your hand