One important aspect of this card I pointed out in a previous article, was that later in the game, this card just becomes a Demonic Tutor, as Control decks aim to make it to the late game with lots of mana at their disposal anyway
It is extremely easy to shut down someone's game with Dragonspark Reactor if players draft their deck well
Whats keeping it from being completely broken is that its an Aura, so the creature it enchants will also die to a sweeper
Combining it with Fastbond Not only is this an incredibly strong way to continuously play additional lands for little cost, but there are all kinds of loops you can pull off with cards like Flash In cEDH, so many games were coming down to Golos, Tireless Pilgrim Griselbrand Cheating out a Hullbreacher This is an incredibly unfun card that stifled a popular part of Commander, spiked the popularity of wheel effects, and made an outrageous number of Treasure tokens
Both 'wights' and 'ghouls' are considered zombies in MTG, but they could've very easily be their own class of creatures, yeah