NeoArkadiaThe key Xyz Monster of the Evilswarm Deck’s strategy is reprinted in the 20th Anniversary Packs
20AP-JP088 ヴェルズ・オピオン Evilswarm Ophion
The last time Ophion reprinted was in the Japanese premium product “Dark Returner” that was essentially an Evilswarm reprint Structure Deck that introduced Evilswarm Kerykeion.