(If you're casting the spell from another zone, you have to pick one half to cast.) A fused spell is one spell, not two
While preparing another negate-counter would be ideal, a deck like Trickstar Punishment simply discourages enemies from pulling off their tricks in the first place
Hyper Librarian, and Meklord Emperor Granelall in mint or gem mint condition.
"Walls of the Imperial Tomb" also helps unbrick the hand while returning cards to the Deck (you can return "Monster Reborn" from the hand to the deck to allow the activation of the first effect of "Millennium Revelation", or base "Ra" so that it can be summoned off "Sphere Mode", and "Immortal Phoenix" cannot be in the hand to used for the second effect of "The True Sun God")
As if that weren't enough, Edgar Markov also has First Strike, Haste and the effect that when it attacks, its controller puts a +1/+1 counter on each Vampire they control