As for him, Synchro Monster should be this strong
The answer to that is absolutely nothing other than summoning fusion monsters that are so laughably bad that theyre relegated to the self-referred hard mode solo gates that challenge you to win a duel using these decks that couldnt beat a GOAT format deck
Though you wouldn't often do so, Loading
Use scissors to cut it out
"Giga Gagagigo", "Orca Mega-Fortress of Darkness", "Cannonball Spear Shellfish", "Torpedo Fish", and "Level Limit - Area B" (as a replacement for "Gravity Bind" from Dark Revelation Volume 2
[All Turns] When any of your [Composite] or [Twilight] trait Digimon cards with DigiXros requirements would be played, by suspending this Tamer, 1 card under your Tamers and 1 card in your trash can also be placed for their DigiXros