Pit Mega Gengar EX against other powerful Pokmon to damage them just as much as they damage you
The alternative commander is Kotis, Sibsig Champion, which, once per turn, lets you cast creature spells from the graveyard if you pay their original cost and exile three cards from there as an additional cost
Alternatively, you can just get rid of everything and drop Thassas Oracle to close things out
They are divided into Items and Supporters depending on usage and effect
Mix of singles and strategic pack opening Storage & protection Protect your 16-card Rumble master set with archival binders, perfect-fit sleeves, and top loaders for the chase cards
Of course, in the right deck, just letting the demon sit around and not attack can also be dangerous, as it turns on Spectacle powerhouses like Light up the Stage, Skewer the Critics, and Theater of Horrors