Confidence:StrongSolidPlausibleTentativeSpeculative

• Spreading Plague

  4B

  EnchantmentB

  Both cards trigger when a creature enters the battlefield — they fire together.
• Bloodline Keeper // Lord of Lineage

  2BB

  Creature — Vampire // Creature — VampireB

  Both cards produce the same kind of effect (shared token subtype).
• Authority of the Consuls

  W

  EnchantmentW

  Both cards trigger when a creature enters the battlefield — they fire together.
• Faerie Artisans

  3U

  Creature — Faerie ArtificerU

  Both cards trigger when a creature enters the battlefield — they fire together.
• Aboleth Spawn

  2U

  Creature — Fish HorrorU

  Both cards trigger when a creature enters the battlefield — they fire together.
• Sunstrike Legionnaire

  1W

  Creature — Human SoldierW

  Both cards trigger when a creature enters the battlefield — they fire together.
• Slinza, the Spiked Stampede

  4G

  Legendary Creature — BeastGR

  Both cards trigger when a creature enters the battlefield — they fire together.
• Rampaging Ferocidon

  2R

  Creature — DinosaurR

  Both cards trigger when a creature enters the battlefield — they fire together.
• Death Match

  3B

  EnchantmentB

  Both cards trigger when a creature enters the battlefield — they fire together.
• Intruder Alarm

  2U

  EnchantmentU

  Both cards trigger when a creature enters the battlefield — they fire together.
• Dragon Fangs

  1G

  Enchantment — AuraG

  Both cards trigger when a creature enters the battlefield — they fire together.
• Glass-Cast Heart

  2B

  ArtifactB

  Both cards produce the same kind of effect (shared token subtype).
• Dragon Scales

  1W

  Enchantment — AuraW

  Both cards trigger when a creature enters the battlefield — they fire together.
• Dragon Shadow

  1B

  Enchantment — AuraB

  Both cards trigger when a creature enters the battlefield — they fire together.
• Dragon Wings

  1U

  Enchantment — AuraU

  Both cards trigger when a creature enters the battlefield — they fire together.
• Tome of Legends

  2

  Artifact — BookC

  Both cards trigger when a creature enters the battlefield — they fire together.
• Suture Priest

  1W

  Creature — Phyrexian ClericW

  Both cards trigger when a creature enters the battlefield — they fire together.
• Grave Peril

  1B

  EnchantmentB

  Both cards trigger when a creature enters the battlefield — they fire together.
• Gideon the Oathless

  2B

  Legendary Creature — Human MercenaryB

  Both cards trigger when a creature enters the battlefield — they fire together.
• Extraordinary Journey

  XXUU

  EnchantmentU

  Both cards trigger when a creature enters the battlefield — they fire together.
• Beck // Call

  GU4WU

  Sorcery // SorceryGUW

  Both cards trigger when a creature enters the battlefield — they fire together.
• Blood Seeker

  1B

  Creature — Vampire ShamanB

  Both cards trigger when a creature enters the battlefield — they fire together.
• Dragon Breath

  1R

  Enchantment — AuraR

  Both cards trigger when a creature enters the battlefield — they fire together.
• Aether Flash

  2RR

  EnchantmentR

  Both cards trigger when a creature enters the battlefield — they fire together.
• Monkey Cage

  5

  ArtifactC

  Both cards trigger when a creature enters the battlefield — they fire together.