15 more formats
Confidence:StrongSolidPlausibleTentativeSpeculative
- Creature — Vampire Warlock // InstantB
Cosmium Blast can kill creatures (with damage or by shrinking them), enabling Bloodline Recollector's death-trigger or removal payoff.
- Legendary Creature — Human RogueBG
Cosmium Blast can kill creatures (with damage or by shrinking them), enabling Chevill, Bane of Monsters's death-trigger or removal payoff.
- Enchantment — AuraU
Cosmium Blast can kill creatures (with damage or by shrinking them), enabling Private Research's death-trigger or removal payoff.
- EnchantmentB
Cosmium Blast can kill creatures (with damage or by shrinking them), enabling Quest for the Gravelord's death-trigger or removal payoff.
- Enchantment — AuraG
Cosmium Blast can kill creatures (with damage or by shrinking them), enabling Bequeathal's death-trigger or removal payoff.
- Legendary Creature — Human Warrior VillainBG
Cosmium Blast can kill creatures (with damage or by shrinking them), enabling Kraven the Hunter's death-trigger or removal payoff.
- Legendary Creature — Human ShamanBR
Cosmium Blast can kill creatures (with damage or by shrinking them), enabling Lagomos, Hand of Hatred's death-trigger or removal payoff.
- EnchantmentW
Cosmium Blast can kill creatures (with damage or by shrinking them), enabling Enduring Renewal's death-trigger or removal payoff.
- Legendary Artifact — EquipmentC
Cosmium Blast can kill creatures (with damage or by shrinking them), enabling Eater of Virtue's death-trigger or removal payoff.
- Artifact — EquipmentC
Cosmium Blast can kill creatures (with damage or by shrinking them), enabling Skullclamp's death-trigger or removal payoff.
- InstantB
Cosmium Blast can kill creatures (with damage or by shrinking them), enabling Malicious Affliction's death-trigger or removal payoff.
- Legendary Enchantment Creature — GodBW
Cosmium Blast can kill creatures (with damage or by shrinking them), enabling Athreos, God of Passage's death-trigger or removal payoff.
- Creature — Vampire Warlock // SorceryB
Cosmium Blast can kill creatures (with damage or by shrinking them), enabling Emeritus of Woe's death-trigger or removal payoff.
- Legendary Creature — DemonB
Cosmium Blast can kill creatures (with damage or by shrinking them), enabling Ob Nixilis, Unshackled's death-trigger or removal payoff.
- Legendary Creature — Phyrexian Zombie ElfBG
Cosmium Blast can kill creatures (with damage or by shrinking them), enabling Glissa, the Traitor's death-trigger or removal payoff.
- Enchantment — AuraR
Cosmium Blast can kill creatures (with damage or by shrinking them), enabling Incendiary's death-trigger or removal payoff.
- Legendary EnchantmentB
Cosmium Blast can kill creatures (with damage or by shrinking them), enabling The Meathook Massacre's death-trigger or removal payoff.
- Enchantment — AuraR
Cosmium Blast can kill creatures (with damage or by shrinking them), enabling Sticky Fingers's death-trigger or removal payoff.
- Creature — Astartes WarriorBW
Cosmium Blast can kill creatures (with damage or by shrinking them), enabling Assault Intercessor's death-trigger or removal payoff.
- Enchantment — AuraB
Cosmium Blast can kill creatures (with damage or by shrinking them), enabling Nurgle's Rot's death-trigger or removal payoff.
- EnchantmentBW
Cosmium Blast can kill creatures (with damage or by shrinking them), enabling Barrensteppe Siege's death-trigger or removal payoff.
- Creature — Alien ClericG
Cosmium Blast can kill creatures (with damage or by shrinking them), enabling Thijarian Witness's death-trigger or removal payoff.
- Legendary Creature — Halfling HorrorBG
Cosmium Blast can kill creatures (with damage or by shrinking them), enabling Sméagol, Helpful Guide's death-trigger or removal payoff.
- Legendary Creature — Vampire AssassinB
Cosmium Blast can kill creatures (with damage or by shrinking them), enabling Mari, the Killing Quill's death-trigger or removal payoff.
- EnchantmentB
Cosmium Blast can kill creatures (with damage or by shrinking them), enabling Revel in Riches's death-trigger or removal payoff.
MTG Arena only
Synergies with cards played only on MTG Arena (including Arena rebalances). They aren't available in paper Magic.
Confidence:StrongSolidPlausibleTentativeSpeculative
- Artifact Creature — Equipment PhoenixR
Cosmium Blast can kill creatures (with damage or by shrinking them), enabling Forgeborn Phoenix's death-trigger or removal payoff.
- Enchantment — AuraU
Cosmium Blast can kill creatures (with damage or by shrinking them), enabling A-Public Enemy's death-trigger or removal payoff.
- Creature — Ogre WarlockB
Cosmium Blast can kill creatures (with damage or by shrinking them), enabling Underbridge Warlock's death-trigger or removal payoff.
- Creature — Elf WarlockBG
Cosmium Blast can kill creatures (with damage or by shrinking them), enabling Perennial Gravewarden's death-trigger or removal payoff.
- Enchantment — AuraG
Cosmium Blast can kill creatures (with damage or by shrinking them), enabling A-Most Wanted's death-trigger or removal payoff.
- Creature — Tiefling ClericB
Cosmium Blast can kill creatures (with damage or by shrinking them), enabling A-Death-Priest of Myrkul's death-trigger or removal payoff.
- Creature — DinosaurB
Cosmium Blast can kill creatures (with damage or by shrinking them), enabling Terrors of the Track's death-trigger or removal payoff.
- Legendary Creature — Human Elf WarlockBG
Cosmium Blast can kill creatures (with damage or by shrinking them), enabling A-Shessra, Death's Whisper's death-trigger or removal payoff.
- Legendary Creature — Vampire KnightBW
Cosmium Blast can kill creatures (with damage or by shrinking them), enabling Arvad, Weatherlight Smuggler's death-trigger or removal payoff.
- Creature — VampireB
Cosmium Blast can kill creatures (with damage or by shrinking them), enabling A-Blood Artist's death-trigger or removal payoff.
- Artifact — EquipmentRW
Cosmium Blast can kill creatures (with damage or by shrinking them), enabling Bladehold Cleaver's death-trigger or removal payoff.
Razor Rings1WInstantW
Helicarrier StrikeWInstantW
Wanderer's Intervention1WInstantW
Gideon's Reproach1WInstantW
Hamato Ninpō1WInstantW
Divine Arrow1WInstantW
You Hear Something on Watch1WInstantW
Sandblast2WInstantW
Dragon's Presence2WInstantW
Sizzling Barrage1RInstantR
Keep Out1WInstantW
Arrows of Justice2R/WInstantRW