|Set:||2021 Tin of Ancient Battles|
|Card type:||Effect Monster|
|Rarity:||Prismatic Secret Rare|
If you control no face-up cards, you can Normal Summon this card without Tributing, but its original ATK becomes 1800. If this card is Normal or Special Summoned: You can reveal 3 EARTH Machine monsters from your Deck, then your opponent randomly adds 1 of them to your hand, and you shuffle the rest back into your Deck. You can only use this effect of "Machina Metalcruncher" once per turn.