Theres no reason not to run Bebop & Rocksteady together, given their ability to both hang out in the command zone and search each other when they arent
Once its engine starts, Hashaton floods the board with undead copies that snowball into an unstoppable, shambling army
You can cast Failure to bounce a spell and then Comply naming the spell, and your opponent can't cast it on their next turn, but Reflector Mage (an uncommon itself upgraded from common thanks to the "can't cast" clause) comes along with a very blinkable and close to on-curve body, which makes it much, much better than Failure // Comply
For example, to summon Dark Paladin you will need to fuse Dark Magician with Buster Blade
After damage calculation, when this card is destroyed by battle with an opponent's monster: Banish that monster, also banish this card