Euru=Bucca, Mystery Gathering Ruins/Trivia

Dragheart Fortresses / Creatures (Each of these Dragheart Fortress cards flip over to a Dragheart Creature side.)
 * — Zodiac, Floating Hymn / Hallelujah Zodia, Adoration Dragon Elemental
 * — Evidegoras, Dragon Sonic Aircraft Carrier / Q.E.D. Plus, Final Dragon Logic
 * — Demon Wolf, Soul Eating Moonlight Castle / Minagorosseo, Wolf Demon Dragon
 * — Take-jin, Dragon King Keep ~Fighting Spirit Mode~ / Gaishukaku, Passion Dragon
 * — Euru=Bucca, Mystery Gathering Ruins / Rejiru=Euru=Bucca, Mystery Ruinskind