With any combo you can assemble that involves sacrificing a creature an infinite number of times, Sephiroth can then serve as your win condition
The weirdness is further exacerbated when it states that a scroll containing their curse was found "On Dominia"
While the card-draw spell did not make it into any competitive Cascade-list, Crashing Footfalls became the namesake card of a Tier 1 Modern deck, Temur Rhinos
As this ability triggers on each player's end step and not just your own, in a multiplayer format like Commander this can provide each opponent's creatures with -4/-4 after a single turn rotation
Two sorcery cards will see Ash attempting to Destroy the Dead by burning the Necronomicon and listening to Knowbys Incantation, which summons the undead in the first place
If the inkcaster belonged to them (their name is on the bottom, they may have been an Illumineer