Confidence:StrongSolidPlausibleTentativeSpeculative

• Fraying Line

  4

  ArtifactC

  Protomatter Powder returns creatures from the graveyard to the battlefield, re-firing Fraying Line's enter-the-battlefield effect.
• U.S.S. Discovery, at Black Alert

  3GG

  Legendary Artifact — SpacecraftG

  Protomatter Powder returns creatures from the graveyard to the battlefield, re-firing U.S.S. Discovery, at Black Alert's enter-the-battlefield effect.
• U.S.S. Reliant, From Hell's Heart

  2BB

  Legendary Artifact — SpacecraftB

  Protomatter Powder returns creatures from the graveyard to the battlefield, re-firing U.S.S. Reliant, From Hell's Heart's enter-the-battlefield effect.
• Thousand Moons Smithy // Barracks of the Thousand

  2WW

  Legendary Artifact // Legendary Artifact LandW

  Protomatter Powder returns creatures from the graveyard to the battlefield, re-firing Thousand Moons Smithy's enter-the-battlefield effect.
• Visage of Dread // Dread Osseosaur

  1B

  Artifact // Creature — Dinosaur Skeleton HorrorB

  Protomatter Powder returns creatures from the graveyard to the battlefield, re-firing Visage of Dread's enter-the-battlefield effect.
• Borg Cube

  5WB

  Artifact — SpacecraftBW

  Protomatter Powder returns creatures from the graveyard to the battlefield, re-firing Borg Cube's enter-the-battlefield effect.
• Sewer-veillance Cam

  U

  ArtifactU

  Protomatter Powder returns creatures from the graveyard to the battlefield, re-firing Sewer-veillance Cam's enter-the-battlefield effect.
• Infinite Guideline Station

  WUBRG

  Legendary Artifact — SpacecraftBGRUW

  Protomatter Powder returns creatures from the graveyard to the battlefield, re-firing Infinite Guideline Station's enter-the-battlefield effect.
• Silver Shroud Costume

  2

  Artifact — EquipmentC

  Protomatter Powder returns creatures from the graveyard to the battlefield, re-firing Silver Shroud Costume's enter-the-battlefield effect.
• Unstable Amulet

  1R

  ArtifactR

  Protomatter Powder returns creatures from the graveyard to the battlefield, re-firing Unstable Amulet's enter-the-battlefield effect.
• Glimmer Lens

  1W

  Artifact — EquipmentW

  Protomatter Powder returns creatures from the graveyard to the battlefield, re-firing Glimmer Lens's enter-the-battlefield effect.
• Pre-War Formalwear

  2W

  Artifact — EquipmentW

  Protomatter Powder returns creatures from the graveyard to the battlefield, re-firing Pre-War Formalwear's enter-the-battlefield effect.
• Inventor's Axe

  R

  Artifact — EquipmentR

  Protomatter Powder returns creatures from the graveyard to the battlefield, re-firing Inventor's Axe's enter-the-battlefield effect.
• Portal to Phyrexia

  9

  ArtifactC

  Protomatter Powder returns creatures from the graveyard to the battlefield, re-firing Portal to Phyrexia's enter-the-battlefield effect.
• Staff of the Storyteller

  1W

  ArtifactW

  Protomatter Powder returns creatures from the graveyard to the battlefield, re-firing Staff of the Storyteller's enter-the-battlefield effect.
• Legion Extruder

  1R

  ArtifactR

  Protomatter Powder returns creatures from the graveyard to the battlefield, re-firing Legion Extruder's enter-the-battlefield effect.
• The Everflowing Well // The Myriad Pools

  2U

  Legendary Artifact // Legendary Artifact LandU

  Protomatter Powder returns creatures from the graveyard to the battlefield, re-firing The Everflowing Well's enter-the-battlefield effect.
• Galea, Kindler of Hope

  1GWU

  Legendary Creature — Elf KnightGUW

  Protomatter Powder returns creatures from the graveyard to the battlefield, re-firing Galea, Kindler of Hope's enter-the-battlefield effect.
• Spring-Loaded Sawblades // Bladewheel Chariot

  1W

  Artifact // Artifact — VehicleW

  Protomatter Powder returns creatures from the graveyard to the battlefield, re-firing Spring-Loaded Sawblades's enter-the-battlefield effect.
• Jester's Scepter

  3

  ArtifactC

  Protomatter Powder returns creatures from the graveyard to the battlefield, re-firing Jester's Scepter's enter-the-battlefield effect.
• Masterwork of Ingenuity

  1

  Artifact — EquipmentC

  Protomatter Powder returns creatures from the graveyard to the battlefield, re-firing Masterwork of Ingenuity's enter-the-battlefield effect.
• Soul-Guide Lantern

  1

  ArtifactC

  Protomatter Powder returns creatures from the graveyard to the battlefield, re-firing Soul-Guide Lantern's enter-the-battlefield effect.
• Brass's Tunnel-Grinder // Tecutlan, the Searing Rift

  2R

  Legendary Artifact // Legendary Land — CaveR

  Protomatter Powder returns creatures from the graveyard to the battlefield, re-firing Brass's Tunnel-Grinder's enter-the-battlefield effect.
• Dusk Rose Reliquary

  W

  ArtifactW

  Protomatter Powder returns creatures from the graveyard to the battlefield, re-firing Dusk Rose Reliquary's enter-the-battlefield effect.
• Hunter's Bow

  1G

  Artifact — EquipmentG

  Protomatter Powder returns creatures from the graveyard to the battlefield, re-firing Hunter's Bow's enter-the-battlefield effect.