Firja's Retribution (210p) - Planeswalker Stamped

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)
I — Create a 4/4 white Angel Warrior creature token with flying and vigilance.
II — Until end of turn, Angels you control gain ": Destroy target creature with power less than this creature's power."
III — Angels you control gain double strike until end of turn.