Clockwork Avian [Beatdown] Phyrexian Artificer You can only use each

You can only use each of the following effects of "Vampire Sucker" once per turn

Set: Beta Edition Type: Creature — Wall Rarity: Uncommon Cost: {2}{G} Defender (This creature can't attack

Set: Coldsnap Type: Creature — Human Cleric Rarity: Common Cost: {W} {1}

Set: Arabian Nights Type: Creature — Djinn Rarity: Rare Cost: {2}{U}{U} Flying

Clockwork Avian [Beatdown] Phyrexian Artificer You can only use eachSet: Beatdown 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.