Mimighoul Dungeon (Quarter Century Secret Rare) (INFO-EN094) - The Infinite Forbidden 1st Edition Set_Star Pack 2014 You can target 1 Fiend

You can target 1 Fiend monster in your GY

return up to 3 cards your opponent controls to the owner's hand(s)

then shuffle the face-up Monster Cards you control into the Deck

Reduce that monster's Level by 1

Destroy 1 card on the field and take 1000 damage

Mimighoul Dungeon (Quarter Century Secret Rare) (INFO-EN094) - The Infinite Forbidden 1st Edition Set_Star Pack 2014 You can target 1 FiendTypenull Field Spell Card Text"Mimighoul" monsters you control that were not Normal or Special Summoned this turn gain ATK equal to their original DEF. Any player who controls a face down monster cannot Normal Summon monsters, nor declare an attack with monsters that were Special Summoned this turn. During your Main Phase: You can add 1 "Mimighoul" monster from your Deck or GY to your hand. You can only use this effect of "Mimighoul Dungeon" once per