All that matters is that Evolving Wilds is now in the graveyard.) Tap a Swamp to equip Heart-Piercer Bow to Pitiless Horde
Buzzwole-GX has Jet Punch (requiring one Fighting Energy card) that will let you deal 30 damage to one of your opponents Benched Pokmon, Knuckle Impact (requiring three Fighting Energy cards) that deals 160 damage but will mean that it cannot attack next turn, and a potentially potent Absorption GX move (requiring three Fighting Energy cards), that deals 40 damage for each of your remaining Prize cards
Some of the monsters you'll be able to collect are Greninja, Lapras, Drifloon, Zorua, Ho-Oh, Xerneas, Kyogre, Lunala, Zekrom, Zacian, Slowpoke (in a well!), Unown, and Meowth, among others
Sometimes they are worth quite a little
Of course, given they not only provided another chance to swing out with what you'd already stolen, but also another chance to steal, rare was it to get more value from an individual theft effect than another combat