Icarus Intervention

(You may cast a legendary instant only if you control a legendary creature or planeswalker.)

Creatures control get +20/+20 and gain flying, double strike, vigilance, trample, menace, deathtouch, lifelink, hexproof, indestructible and haste until end of turn.

Flashback {9}{w}{w}{w} (You may cast this card from your graveyard for its flashback cost. Then exile it.)