Number 81: Superdreadnought Rail Cannon Superior Dora
Heavy Loading Railcar Derrickren
Revolving Switchyard
2 Level 10 monsters
Once per turn, during either player's turn: You can detach 1 Xyz Material from this card, then target 1 face-up monster on the field; this turn, it is unaffected by other card effects.
Heavy Loading Railcar Derrickren
You can only activate the (1) effect of this card once per turn. (1): You can activate this effect when you Normal or Special Summoned an EARTH Machine-Type monster. Special Summon this card from your hand. If you do, halve the ATK and DEF of this card. (2): If this card is detached as an Xyz Material from an Xyz Monster and sent to the Graveyard, you can target 1 card on your opponent’s side of the Field. Destroy that
Revolving Switchyard
You can only use each of this card's effects once per turn. When a Level 10 EARTH Machine-Type monster is Normal or Special Summoned: You can Special Summon 1 Level 4 EARTH Machine-Type monster with 1800 or more ATK from your Deck, and if you do, its Level becomes 10, also your opponent takes no further damage until the end of this turn. You can send 1 card from your hand to the Graveyard; add 1 Level 10 EARTH Machine-Type monster from your Deck to your hand.