booster box of pokemon cards Stellar Crown Scarlet & Violet – Nicks Sports and modern Sealed products 320: 1999 Pokémon Base Set

This is also effectively a 10/10 in a Doran, the Siege Tower deck

Lower Text - Promo Info booster DOUBLE DIAMOND [BT-06] CLOSECLOSE BT6-069 C Digimon Lv.3 Goblimon Color Purple Form Rookie Attribute Virus Type Demon DP 2000 Cost 3 Digivolve Cost 1 0 from Lv.2 Digivolve Cost 2 - Upper Text - Lower Text [Your Turn][Once Per Turn] When you trash a card in your hand using one of your effects, this Digimon gets +2000 DP for the turn

it loses 1000 ATK for each monster your opponent controls.

This is by no means a bomb, but I think theres enough tricksy stuff going on to make it decent

Master Duel that can help introduce this concept effectively