Clockwork Avian [Antiquities]

Clockwork Avian [Antiquities]Set: 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.

Set: Tokens Card type: Token Rarity: Super Rare This card can be used as any Token

Set: Shadow Specters Card type: Xyz/Effect Monster Rarity: Ultimate Rare Attack: 3000 Defense: 3000 2 Level 8 Dragon-Type monsters Once per turn

Set: Shonen Jump Magazine Promos Card type: Normal Monster Rarity: Secret Rare Attack: 4000 Defense: 4000

At the beginning of the end step

You can target 1 Set Spell/Trap Card your opponent controls

Set: Betrayers of Kamigawa Type: Instant — Arcane Rarity: Rare Cost: {X}{U}{U} You may exile a blue card with converted mana cost X from your hand rather than pay this spell's mana cost

or no monsters

Set: Light of Destruction Card type: Effect Monster Rarity: Ultimate Rare Attack: 1700 Defense: 200 You can change this card from face-up Attack Position to face-up Defense Position and destroy 1 Spell or Trap Card your opponent controls

Set: Absolute Powerforce Card type: Ritual/Effect Monster Rarity: Ultimate Rare Attack: 2500 Defense: 1400 This card can only be Ritual Summoned with the Ritual Spell Card

gain control of it

This effect doesn't remove Black Ward

If this card attacks a face-down Defense position monster