yugioh rage of the abyss booster box YU-GI-OH! TCG - (Box 24 Bags) including the second wave for the World Premiere theme that debuted in The Infinite Forbidden Yu-Gi-Oh! Official Card Game -

The clearest starting point is looking at these cards that have already been banned elsewhere

Contents and decklists are in the products section

Gwenom, Remorseless Bolas's Citadel in the command zone seems like itll make Gwenom, Remorseless a kill-on-sight commander

I like the instant better as you can perform some sweet lines, like sacrificing Putrid Goblin with Skirk Prospector while holding priority to get extra mana available that you can use to cast First Day of Class in response

They should have just switched when they switched to silver borders

EX cards are a special type of Pokmon card that are more powerful than regular cards.