Flashback More of an aid against floods where the high flashback costs are much more worthwhile things to be doing (than the nothing you might well otherwise be getting upto)
If you did want to push the envelope a little, however, you would have two options
You put that card on the bottom of your library and return the other to the battlefield tapped
That's hyper efficient, and while it discards energy, forcing you to commit all your eggs to one basket if you want to keep using it, what's really interesting is that the attack uses colorless energy
The Pikachu binder with the purple background is a callback to the mouses first appearance in the very first Pokemon TCG expansion that was released during the 90s, as the purple backdrop resembles the eerie jungle setting shown behind the Pokemon
What this module wants to do Make use of the self discard effects Bin & reanimate threats early on to pressure opponents Grind out in the mid game through sacrifice and reanimation How it wants to win Pressure & attrition Enormous threats Every reanimator deck needs big creatures, and black has plenty of great choices