Clockwork Avian [Antiquities] M- 20 if your opponent controls 3

if your opponent controls 3 or more cards

Traps and other monsters' effects cannot be activated

Set: Black & White: Boundaries Crossed Type: Grass Rarity: Holo Rare Retreat cost: 1

This card can only be Special Summoned from your hand if a Normal Monster you control is destroyed by battle

Guttering cinders stoke their dying flames by snuffing out the lights of others

Clockwork Avian [Antiquities] M- 20 if your opponent controls 3Set: 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.