Gear Gigant X (REDU-EN046) - Return of the Duelist Unlimited Condition:Heavily Played You can only use this

You can only use this effect of “Sinister Serpent” once per turn

and destroy it

Card TextThis human-shaped animal with wings is beautiful to watch but deadly in battle

Card TextReduce the ATK of an opponent''s monster attacking this card to 0

destroy all face-up "Nordic" monsters on the field

Gear Gigant X (REDU-EN046) - Return of the Duelist Unlimited Condition:Heavily Played You can only use thisTypeMachine Xyz Effect Monster AttributeEARTH Level Rank4 ATK DEF2300 1500 Card Text2 Level 4 monsters Once per turn: You can detach 1 Xyz Material from this card, add 1 Level 4 or lower Machine Type monster from your Deck or Graveyard to your hand. When this card leaves the field: You can target 1 Level 3 or lower "Geargia" monster in your Graveyard; Special Summon that target.