yugioh card that forces opponent to attack YU-GI-OH! - Full-Force Strike (BP02-EN166) - Battle Pack 2: War of The Giants - 1st Edition may be 1st or Unlimited Edition YuGiOh GX Trading Card Game

for each heads, discard a random Energy from your opponents Active Pokemon (Costs 2 Fighting, 1 Colorless Energy).Flame PatchTrainer ItemUncommonEffect: Attach a Fire Energy from your discard pile to your Active Fire Pokemon.Sitrus BerryTrainer ToolUncommonEffect: At the end of each turn, if the attached Pokemon has half or less HP remaining, heal 30 damage from it, then discard this card.Cover FossilTrainer ToolCommonEffect: Play this card like a 40HP Pokemon

There haven't been many sealed booster boxes recently sold on the public market, so you'll likely only find booster packs if you're lucky

During your opponents turn, you can discard this card along with a Nekroz spell to completely shut your opponent off from summoning from the extra deck for the rest of the phase

Luckily for us, Rakdos supplies more than enough ways to support a discard-themed list that can get Kroxa out on curve with numerous discard outlets and engines