But as far as I can tell about the game's cannon, there's only ONE brawler who could use the doom card, masquerade.
The game never said who Marduks partner was, did it? Maybe it was Masquerade...
The why did he ally him self with him? Clearly he would want nothing but revenge against masquerade, maybe it had to do with Vlad's plan to get the silent orb.
you battle vladitor after the subterra tournament. looks like clayf marble form. then beat haos tournament, final opponent marduk, then fight him again in the doom dimension with only omega leonidas. his cards such as alpha blaster and leonidas character card won't work. you'll need the omega eraser ability and omega leonidas character card for this. but you'll only get them after you beat marduk and battle ax vladitor. SM has no use for making vladitor and BA vladitor cuz' of this:vladitor = repaint a clayfbattle ax vladitor = repaint a balde tigrerra