pokemon tcg astral radiance card list (International TCG) – Collector The Cards Of Pokémon TCG:

When you do attack, you get to double up on your Soldiers by creating new ones

Hopeless Nightmare - Why it Was Banned in MTG's Standard Format Perhaps not as problematic as other cards on this list, Hopeless Nightmare is still very frustrating to play against due to strategies that bounce it back to the owner's hand from play or the graveyard, making it a consistently strong 1-drop for Orzhov Pixie decks in Standard

Decks contain just 20 cards compared to the usual 60, HP is auto-calculated, energy is generated each turn, and prize cards are eliminated

Like those, it was banned to avoid the perceived-barrier-to-entry, but was strong enough to be a candidate for banning even without the optics especially in long games where the card draw yields inevitability over time