Up to three hasty flyers to help finish the game and bring back up to three permanents from your graveyard seems really good
In fact, outside of Aven Mindcensor, this black creature is one of the only instant-speed responses we have to tutor spells, if you dont count Negates
Usually youll need roundabout effects like Torment of Hailfire, but if youve got a lot of extra creatures laying around, this will get the job done
It is an aggressive deck but it is not a quick deck nor does it need to be, RDW claims victory through inevitability rather than a burst of speed
Additionally, the damage from Spark Jump at 2 energy cards is ridiculously low at 40 damage
Whenever you cast a historic spell, return target creature card with mana value 3 or less from your graveyard to the battlefield. You can basically make sure you use a lot of the sacrificial Artifacts time and time again by doing this, and it can be nearly impossible to beat with very little effort