Confidence:StrongSolidPlausibleTentativeSpeculative

• Case of the Stashed Skeleton

  1B

  Enchantment — CaseB

  Both cards produce the same kind of effect (shared token subtype).
• Ozox, the Clattering King

  2B

  Legendary Creature — Skeleton NobleB

  Both cards produce the same kind of effect (shared token subtype).
• Skeleton Crew

  3B

  Creature — Skeleton PirateB

  Both cards produce the same kind of effect (shared token subtype).
• Altar of Bhaal // Bone Offering

  1B2B

  Artifact // Sorcery — AdventureB

  Both cards produce the same kind of effect (shared token subtype).
• Gut, True Soul Zealot

  2R

  Legendary Creature — Goblin ShamanR

  Both cards produce the same kind of effect (shared token subtype).
• Corpses of the Lost

  2B

  EnchantmentB

  Both cards produce the same kind of effect (shared token subtype).
• Death-Priest of Myrkul

  2BB

  Creature — Tiefling ClericB

  Both cards produce the same kind of effect (shared token subtype).
• Drudge Spell

  BB

  EnchantmentB

  Both cards produce the same kind of effect (shared token subtype).
• Mirror Room // Fractured Realm

  2U5UU

  Enchantment — Room // Enchantment — RoomU

  Mirror Room makes Skeletal Swarming's triggered ability trigger an additional time — each time it fires, you get it twice. Value, not a loop.