In gameplay terms, Vault 112 seems like a pretty decent energy producer that slows your opponents down, then becomes a powerful effect to spend your energy on, providing a free card which you can dig deeper for if you plug in some volts
Its also had three printings, so if you want to have a chance at returns, go for the foils at $5 each
The idea is to summon one of the Kaijus with lower ATK, like Gameciel, the Sea Turtle Kaiju and Gadarla, the Mystery Dust Kaiju to the opponent's side of the field, and the player has the option to summon one of their own with higher ATK such as Jizukiru, the Star Destroying Kaiju
Released in 1996, it represents the very beginning of the TCG era and remains one of the most recognized cards ever printed
However, this is assuming the non-engine in question are handtraps
Dartz & The "Great Serpent" - Part 1 8 Differences in adaptations 9 Trivia 10 Mistakes 11 Featured cards 12 Featured Duel Monster Spirits Events[edit] "Dark Magician Girl" and the Duel Monsters world survivors join the fray