Giving help to the opponent doesn't seem like the greatest plan, but when the player can tribute the opponent's dark monsters as if they were their own, it seems worth it
While many of them boast above-average stats (compared to Decks like Chronomaly), they can still be easily beaten in battle by many other superior Decks of their type (i.e
Adding the pieces for an infinite combo wouldnt be a bad thing, but there are plenty of other powerful spells that work just as well with the commanders, like Aetherflux Reservoir or Sentinel Tower
He also utilises various Control cards to limit his opponent's options to counter or defend against him, such as forcing them to discard their hand or limiting the number of monsters they can maintain on the field
In decks with too few Monsters, Sealing Ceremony of Katon can do more harm than good
It destroys all creatures with 3 or more power