As long as it was in the format, it was played, and it was a core card in some turn-one decks that would just knock out your only Pokemon in play to win the game on the first turn
Ive already mentioned some as combo pieces for specific strategies, and youll notice that a lot of them are really different from each other
Krenko counts each goblin under your control, including Krenko itself (rather than only tallying Krenko's tokens), letting you amass a huge army if left unchecked
Ghalta and Mavren Ghalta and Mavren is pretty self-sustainable as a 12/12 trample for 7 mana
Rhonas is a major factor in giving your massive threats evasion
Regarding the Banned/Restricted Cards Since the release of the ONE PIECE CARD GAME three years ago, the card pool has expanded dramatically, leading to significant shifts in the viability of different Leaders and Characters