They can be any type of card, from stellar legendary creatures to the greatest card draw spells to the most valuable ramp spells
While this hasn't affected the power level concretely, it has given Wizard's designers more room to play with theme and storytelling through cards and mechanics
These proactive bans show a clear desire to slow the format down and promote more interactive, back-and-forth games of Magic
While many of these cards were powerful to the point of banning in Standard, Historic has a larger card pool and therefore more ways to interact or respond to powerful cards
(Make sure that you have enough ways to stall out the game before you try to deck your opponentsit can take a while)
C Common Magikey Unlocking X TRAP Counter When your opponent activates a Spell/Trap Card while you control a "Magikey" Ritual Monster or a "Magikey" monster Special Summoned from the Extra Deck: Negate the activation, and if you do, destroy that card, then you can declare 1 Attribute, and if you do that, for the rest of this turn all face-up monsters your opponent controls become that Attribute
