Sacristarum

Play target instant or sorcery from your graveyard as if it had flashback.
Overload {6}{u}(You may use this ability for its overload cost. If you do, change its text by replacing all
instances of Target with Each and Your Graveyard to All Graveyards)
Come on to the other side. Into the dark, we hide
Gather them for the rite. Sacristarum!