Dark End Dragon is. But he usually takes more than one turn to summon so those Phonon Dragons and Grams I usually summon with 2 monsters aren’t good enough before the big boss arrives. I also really really need a rank 3 dark Xyz.
Cope. Power Tool doesn’t require running equips, it can activate his effect on an opponent’s equip. The problem is that this card here is level 1 so summoning him with it is hard to do considering the other Orcusts are level 4 and 3, and the Orcust-helping World Legacy is level 8. It can be made with 2x Papyrus and this card but I favor having 1 Papyrus, 1 Harp and this card for Dark End Dragon.