The intent seems to be that they are to challenge trainers, not curb-stomp them
The Dark Magicians allows you to draw a card and then set it if it was a spell/trap, and Dark Magician The Dragon Knight protects your back row from destruction, which is a fatal issue that the deck has
The more blue disposable or redundant cards you are playing the better Force of Will is however it can still be very powerful even with as few as 8 other blue cards to pitch (in a 40 card deck)
To help make this true, Wizards went out of the way to never reveal the contents of the early sets other than the set size
As a Pokmon Ability can be used from the bench, this is perhaps where Dark Ampharos shines best, weakening Pokmon with no risk to itself, including insulating itself from the status conditions which would disable Conductivity
With that in mind, we use, as removals, Beast Within, Assassin's Trophy, Chaos Warp and Rakdos Charm, which also have other very efficient functionalities and can be a great help