Summary Forget the original era, GX era cards are expensive and hard to get, with ultimates dominating the scene
You can only use each effect of "Psychic Arsenal" once per turn
Frog Monarch is still viable without Substitoad , and would rely on Swap Frog to load the graveyard with Ronintoadin and the Frog monsters
Sure, Council's Judgment can take out less than other cards on this list, but its permanent removal in the form of exiling whats chosen
Edgar Markov Edgar Markovs knight-typing feels like an afterthought when you consider the insane amount of value it generates for vampires, but that shouldnt exclude it from being included in this list
Annihilator 4 (Whenever this creature attacks, defending player sacrifices four permanents of their choice.) When Kozilek is put into a graveyard from anywhere, its owner shuffles their graveyard into their library