Left Arm of the Forbidden One [LART-EN005] Ultra Rare Trap If Summoning an "Invoked" Fusion

If Summoning an "Invoked" Fusion Monster this way

Unleash a new "Forbidden" Quick-Play Spell that can negate the effects of and halve the ATK of an entire field's worth of monsters or a Normal Spell that lets you retaliate against your opponent's disruptive monster effects by choosing from the effects of Pot of Greed

except "Red-Eyes Darkness Metal Dragon"

This card is sent to the Graveyard at the End Phase of the turn it was Summoned

Left Arm of the Forbidden One [LART-EN005] Ultra Rare Trap If Summoning an "Invoked" FusionSet: The Lost Art Promotion Card type: Normal Monster Rarity: Ultra Rare Attack: 200 Defense: 300 A forbidden left arm sealed by magic. Whosoever breaks this seal will know infinite power.