battle partners booster box contents sv9 Scarlet & Violet - Pokémon Card Game | Authentic Japanese Pokémon TCG Booster box Each Pokémon TCG booster pack contains 5 cards JP] Pokemon Battle Partners SV9

For six mana, you get a Human Werewolf that puts two counters on a target creature, then it can flip to give all your creatures two counters instead

Time Thief Flyback Time Thief Flyback UR Ultra Rare C Common C Common Related Cards View as Gallery View as List Time Thief Adjuster X DARK Level 4 [ PsychicEffect ] ATK 1200 DEF 1800 If you Normal or Special Summon a "Time Thief" monster(s), except "Time Thief Adjuster" (except during the Damage Step): You can Special Summon this card from your hand

And since there is no statement saying it cannot be used in official duels, it can be used in official duels as well

[When Attacking][Once Per Turn] You may place 1 card with [X Antibody] in its traits from your hand at the bottom of this Digimon's digivolution cards to delete up to 2 of your opponent's Digimon with play costs less than or equal to this Digimon's digivolution cards