If you were working with The Six Samurai set, then Six Samurai United is a 100% MUST HAVE
Due to their costly summons, any form of Summon negation can be deadly against a "roid" player, who cannot consistently recover from the suffered resource loss
Extra Deck 7 Chaos King Archfiend X DARK Level 7 [ Fiend / SynchroEffect ] ATK 2600 DEF 2600 1 Fiend-Type Tuner + 1 or more non-Tuner monsters When this card declares an attack: You can switch the current ATK and DEF of all face-up monsters your opponent controls, until the end of the Battle Phase
D/D Evil X DARK Level 4 [ FiendPendulumEffect ] ATK 2000 DEF 0 P Scale 8 Once, while this card is in your Pendulum Zone, when your opponent Pendulum Summons a monster(s) (except during the Damage Step): You can activate this effect
Change the attacking monster to Defense Position
The game has evolved to a point where monsters like Summoned Skull simply cant keep up