Phoenix, Cosmic Entity

Flying, trample, hexproof
Whenever Phoenix attacks, choose one:
•Put a shield counter on a creature you control.
•Phoenix deals 7 damage to each nonblue creature defending player controls.
Sacrifice Phoenix, Cosmic Entity: Search your
library for a card named Dark Phoenix, reveal it,
and put it onto the battlefield. Shuffle your
library. Activate only if your life is half its original
total or less.