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 only during your upkeep.

but a thick

Set: POP Series 8 Type: Lightning Rarity: Rare Retreat cost: Colorless

each of your other opponents sacrifices a land

can attack in a band

except for creatures that couldn't attack

Set: Black & White: Black Star Promos Type: Lightning Rarity: Black Star Promo Retreat cost: Colorless

Chains of leaping fire and sizzling lightning laid waste the artificers' handiwork

Set: Beta Edition Type: Enchantment — Aura Rarity: Common Cost: {B} Enchant creature

Set: Sword & Shield: Lost Origin Type: Supporter Rarity: Secret Rare

Set: World Championships 2006 Type: Metal Rarity: Ultra Rare Retreat cost: Colorless

When Piercing Nova becomes the target of an attack

Set: Platinum: Base Set Type: Fighting Rarity: Ultra Rare Retreat cost: Colorless