pokemon card aron 121/189 Sword & Shield Darkness Ablaze Regular Pokémon on 1314280682 [Grass] Pokemon Card - Legend Maker

By discarding one Water Energy from your hand, you can put six damage counters on one of your opponents Pokemon without using up your attack for the turn

Removal spells that stick around and help the team are pretty good from where I am sitting

Unholy Strength

And some Magic: The Gathering cards worth big money

Alhammarret, High Arbiter Arjun, the Shifting Flame Atemsis, All-Seeing Azor, the Lawbringer Elenda and Azor Eligeth, Crossroads Augur Isperia the Inscrutable Isperia, Supreme Judge Medomai the Ageless Ormos, Archive Keeper Raffine, Scheming Seer Sharuum the Hegemon Tivit, Seller of Secrets Unesh, Criosphinx Sovereign Yennett, Cryptic Sovereign

Current prices don't fully reflect that upcoming scarcity