31/111 Croconaw
Every creature that falls in battle spawns a new threat
Trades are also limited to diamond-rarity and full-art variants from these packs, meaning two-star, immersive, and crown-rarity cards cannot be traded
Karn shuts off opposing Moxes in addition to doing normal Karn things, Narset has an abundance of card draw to hate and super-powerful restricted cards to find, and Oko generally plays too fair a game
We can see that this creature lurks in hot, dry environments, presumably canyons or even volcanic caverns, and capable of delivering a nasty electrical shock from its stinger-like tail
Throw this into some Mono-White Aggro decks, heck, even in Mono-White Auras, and the power of the deck rises immediately