With a core of Fable of the Mirror-Breaker, Bloodtithe Harvester, Corpse Appraiser plus a suite of removal, permission and discard, its going to take a lot to break into this archetype
Reverse holos offer a different kind of appeal with their frame-wide foil treatment and accessibility across all rarities
GR Gold Rare Noble Knight Brothers X LIGHT Level 4 [ WarriorEffect ] ATK 1200 DEF 2400 This card can only attack if you control exactly 3 "Noble Knight" monsters (and no other monsters)
Keep in mind that game servers are usually named by their geographic location, so you must check on that one
(For example, you take your beginning phase as the active player, then the next player in turn order becomes the active player and takes their beginning phase After each player had a beginning phase, do the same for first main, combat phase, second main, ending phase, and then beginning phase again If this creature leaves the battlefield, the active player continues their turn as normal.)
The -3/-3 from Locthwain Scorn is enough to take down most of the one, two, and three mana creatures in the format