pokemon booster box flashfire XY offering a chance at powerful rares and iconic Fire‐type artwork Flashfire Booster Box – Common

Each pack includes both a rare and a rare or mythic rare card, several cards from the Dominaria United set, five non-foil basic lands, two traditional foil basic lands, one non-foil full art stained-glass basic land, and a card that describes the theme of the pack

If the second ability refers to "the exiled card," it refers to all cards exiled by instances of the triggered ability

Perhaps the intention was to let a player untap their potential blockers in the event that an opponent played a hasty creature, but whatever the intended purpose of this card was, its now largely relegated to enabling all manner of shenanigans

Gold and platinum are sold out

Sure, it can help prevent getting blown out by a combat trick if both of your creatures can take down the opposing one, but three mana and requiring a reasonable amount of board presence makes this make worse than something like Prey Upon or Rabid Bite in my book