Citadel Siege [Commander 2021] Regional Championship Qualifiers 2023 Whenever another artifact with mana

Whenever another artifact with mana value 3 or greater enters the battlefield under your control

the mages of the Goma Fada caravan have learned ways to harness both life and death

Set: Kamigawa: Neon Dynasty Type: Artifact Rarity: Common Cost: {1}{U} {1}{U}

Tails You Lose Type: Artifact Rarity: Common Cost: {2} {T}: Add {C}

Set: Double Masters 2022 Type: Legendary Creature — Vampire Rarity: Rare Cost: {R}{W}{B} Menace

Citadel Siege [Commander 2021] Regional Championship Qualifiers 2023 Whenever another artifact with manaSet: Commander 2021 Type: Enchantment Rarity: Rare Cost: {2}{W}{W} As Citadel Siege enters the battlefield, choose Khans or Dragons. Khans At the beginning of combat on your turn, put two +1 +1 counters on target creature you control. Dragons At the beginning of combat on each opponent's turn, tap target creature that player controls.