It's the activated ability that's terrifying: once that's been activated for five generic and three black, any player dealt combat damage by the equipped creature immediately loses the game
If Kraum and Thrasios are your commanders, your deck may contain cards with green, blue, and/or red in their color identity, but not cards with white or black
ONE PIECE CARD GAME Promotion Pack 2022 Vol.2
Of course, the actual contents of Jace and Vraskas plans are as clear as mud, so we dont really know in detail what exactly it is that they plan on doing
If Aeve gets killed or exiled twice, I'll be unlikely to be able to load up a turn with a lot of spells and then cap it off with 9 mana for Aeve with four mana worth of commander tax
If my opponent plays the game in Japanese, then I can use Wonder Pick to collect a Japanese card from a pack they opened