Right Arm of the Forbidden One [LART-EN006] Ultra Rare Ultimate Rare but it has its effects

but it has its effects negated (if any)

Set: Legacy of Darkness Card type: Normal Monster Rarity: Super Rare Attack: 2400 Defense: 1400 This dragon feeds on emerald

The DEF of the selected monster becomes equal to the combined original DEF of all face-up monsters on your side of the field

by Tributing 1 monster they control

When you take battle damage or effect damage by an opponent's card: You can Tribute 1 "Cyber Angel" Ritual Monster from your hand or field

Right Arm of the Forbidden One [LART-EN006] Ultra Rare Ultimate Rare but it has its effectsSet: The Lost Art Promotion Card type: Normal Monster Rarity: Ultra Rare Attack: 200 Defense: 300 A forbidden right arm sealed by magic. Whosoever breaks this seal will know infinite power.