Clockwork Avian [Antiquities] Xyz/Effect monster Set: The Lost Art Promotion

Set: The Lost Art Promotion Card type: Normal Monster Rarity: Ultra Rare Attack: 200 Defense: 300 A forbidden right leg sealed by magic

Set: Sun & Moon: Dragon Majesty Type: Dragon Rarity: Secret Rare Retreat cost: Colorless

when your opponent would Special Summon a monster: You can send this face-up card to the Graveyard

if Nether Shadow is in your graveyard with three or more creature cards above it

Clockwork Avian [Antiquities] Xyz/Effect monster Set: The Lost Art PromotionSet: Antiquities Type: Artifact Creature Bird Rarity: Rare Cost: {5} Flying Clockwork Avian enters the battlefield with four +1 +0 counters on it. At end of combat, if Clockwork Avian attacked or blocked this combat, remove a +1 +0 counter from it. {X}, {T}: Put up to X +1 +0 counters on Clockwork Avian. This ability can't cause the total number of +1 +0 counters on Clockwork Avian to be greater than four. Activate this ability only during your upkeep.