Palkia GX (119/131) [Sun & Moon: Forbidden Light]Set: Sun & Moon: Forbidden Light Type: Water Rarity: Ultra Rare Retreat cost: Colorless,Colorless,Colorless

You can only use each of the following effects of "Traptrix Sera" once per turn

Set: Storm of Ragnarok Card type: Effect Monster Rarity: Secret Rare Attack: 2500 Defense: 1600 When your opponent Special Summons a monster

At that time

(You do not use "Polymerization"

This card cannot be Special Summoned except by sending 3 monsters you control to the Graveyard

but it cannot declare an attack this turn

Set: Dark Revelation Volume 3 Card type: Fusion/Effect Monster Rarity: Ultra Rare Attack: 2100 Defense: 1200 "Elemental Hero Avian" + "Elemental Hero Burstinatrix" This monster cannot be Special Summoned except by Fusion Summon

you can Normal Summon 1 Level 4 or lower Sea Serpent-Type monster in addition to your Normal Summon/Set

You can only activate 1 "Fire Formation - Tenki" per turn

You can return the monster destroyed with this effect to the top of your opponent's Deck instead of sending it to the Graveyard

you can change 1 face-up Attack Position monster on your opponent''s side of the field to face-up Defense Position

during the Standby Phase: You can detach 1 Xyz Material from this card