If the equipped monster you control would detach its material to activate its effect: You can detach this card as 1 of the materials
If youre playing a self-mill deck, its important to incorporate some graveyard protection to ward off interactive spells that shut you down
In casual play, it could also still be easy to take advantage of its significant power, although it's only fair to do so if both parties are on board with using a card that's been errata'd for a reason
Rayami, First of the Fallen Rayami, First of the Fallen, like Indominus Rex, Alpha, benefits from creatures with many keywords on them, except that in Rayamis case, the creatures with keywords dont need to be yours
1 Blue-Eyes White Dragon - $159.13 Blue-Eyes Gone Chibi Blue-Eyes White Dragon will usually steal the top spot if it gets reprinted