Clockwork Avian [Fourth Edition] SM152 When 3 Hyper-Venom Counters are

When 3 Hyper-Venom Counters are on this card

Set: Fusion Enforcers Card type: Quick Play Spell Rarity: Secret Rare Tribute 1 "Invoked" monster

Set: Duelist Alliance Card type: Xyz/Effect Monster Rarity: Common Attack: 1000 Defense: 1000 2 Level 4 monsters Once per turn

Set: Journey into Nyx Type: Creature — Giant Rarity: Rare Cost: {7}{R} When Bearer of the Heavens dies

inflict 400 damage to your opponent times the Chain Link number of this card

Clockwork Avian [Fourth Edition] SM152 When 3 Hyper-Venom Counters areSet: Fourth Edition 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.