But which anti-spell cards are the best
As new Pokmon sets come and go, there's (typically) a Japanese counterpart for every expansion
As long as Ultimate Tyranno is able to attack, it also means that no other monsters on the Field can, so the player's Field should be properly set up for it beforehand so they don't miss out on inflicting damage to their opponent's Life Points.
For example, if you control Quantum Riddler and you cast Decode Transmissions while you have no other cards in your hand, Quantum Riddler's replacement effect will apply, and you'll draw three cards instead of two
Once per turn, during either player's turn, when a Spell/Trap is activated: You can negate the activation of that Spell/Trap Card, and destroy it
Reprocess Reprocess allows you to sac a few or a bunch of permanents and draw a few or a bunch of cards