labyrinth of nightmare booster box Yu-Gi-Oh! LON-KR Korean Pack set that debuted in 2004 Labyrinth of Nightmare - Booster

Some people have spent weeks, months, or even a year unable to find anything on store shelves

I set a monster, passed the turn to my opponent, and they then spent a ridiculous amount of time summoning monsters, sacrificing those monsters to play even more powerful monsters, and continuing that pattern until my side of the board was empty and their side had upward of 10,000 points of damage ready to be freely applied to my piddling 8,000-point life pool

Bontu's Monument is another decent payoff, since most bats have black in their color identity, and the fiddling with life totals is right up bats alley

We create both the cards and the mechanics by asking ourselves what it is like to be a human that returns to the world as a spirit, or as a werewolf that desires nightfall. The return of flashback very much fits into this design approach