Choose a number. Target player sacrifices a creature with power equal to that number, then, if they do, they return a creature card with power equal to that number from his or her graveyard to the battlefield.
"I'm back! Did you miss me?"
—Chandra Nalaar
For Challenge # 099 Based off of Regenesis #3. Alex made the assumption that Regenesis #3 was probably a
card with 
flavor. So did I... but I spent way too long trying to figure out how to give this effect a Black/White flavor. I kept working with ideas like burying someone alive, the Magician Trick called "Apprentice's Revenge", and some sort of way to forcibly martyr and resurrect someone. But each of these ideas kept running smack into the reality of how the card operates. Regenesis #3 does, like, 3 different things (Flicker, Creature kill and Recurring Nightmare.) None of those ideas really caught all three modes, and it just made the flavor look weak when it didn't.
Red, on the other hand, rarely plays the resurrection game, but it does do it with creatures named 'Phoenix'. And if I was to make a red Zombify, it probably would end up a lot like this. Phoenix Flame:
As an aside, I cleaned up the loophole Jack noticed in the original card by adding 'if they do'. Now the card can't just be used as as an instant speed Zombify.