@SunsetSeeker I'm not super familiar with the OCG or Virtual World but this is my impression with how it works there. My info might not be completely accurate so take it with a grain of salt.
Maxx "C" exists in a strange place where it works either at 0 or 3, but nothing in between. With it at 1 or 2, opening it feels like an instant win sack, but at 3, the meta is forced to adapt because it's a constant hanging threat on all decks, especially combo decks who suffer the most. As such decks that can exert control in only a few Special Summons as possible are most prominent, like Eldlich, Zoodiac, and Sky Striker. Virtual World is still able to succeed in the OCG despite being a combo deck by main decking tons of Maxx "C" hate like Called by the Grave (at 2 in the OCG vs 1 in the TCG), Crossout Designator (not yet released in the TCG), and of course Ash Blossom (which is also Maxx "C" hate) for a total of 8 cards that can stop a Maxx "C". (Plus if you drop a True King of All Calamities there aren't many decks that can play through it even with the extra cards in hand, probably)
So it's basically like Nibiru in the TCG, the combo decks that can play in the meta have to adapt their combos to be able to play around it. (Of course, in the OCG Maxx "C" can draw into Nibiru, so it's a double threat)