yugioh volcanic cards Yu-Gi-Oh! - Eruption (SD09-EN030) - Structure Deck 9: Dinosaur's Rage - 1st Edition 300 Defense Yugioh Volcanic Deck - Trooper

From what I could find they came out in 2007 and were given away on July 7 and 8 in Marabilandia, an Italian Theme Park

You get a bunch of 4/4s to fight some creatures and grant you a board presence

But somewhere between Stronghold and Ravnica, we all collectively realized that the graveyard is actually just a second hand thats slightly harder to organize

Using unique artwork prints from each set and promo would obviously be significantly less (more like 55)

The combination led to iconic cards such as Blastoderm and Parallax Wave

For those looking to acquire a large number of cards at once, booster boxes containing 36 booster packs are an economical option