Clockwork Avian [Antiquities] Xyz/Effect monster when your opponent would Special

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

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

choose 1 Spell Card from your Deck

copy it for each spell cast before it this turn

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

Clockwork Avian [Antiquities] Xyz/Effect monster when your opponent would SpecialSet: 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.