Ancient City – Rainbow Ruins (SDCB-EN018)

2 Level 4 "Madolche" monsters

Once per turn: You can detach 1 material from this card, then target up to 2 "Madolche" card(s) in your GY; shuffle those cards into the Deck, also, after that, shuffle cards your opponent controls into the Deck, up to the number of "Madolche" cards returned.

spell / Field, Structure Deck: Legend of the Crystal Beasts