Confidence:StrongSolidPlausibleTentativeSpeculative

• Mikey & Leo, Chaos & Order

  G/WG/W

  Legendary Creature — Mutant Ninja TurtleGW

  Both cards trigger when a counter is placed — they fire together.
• Hollowmurk Siege

  BG

  EnchantmentBG

  Both cards trigger when a counter is placed — they fire together.
• Omarthis, Ghostfire Initiate

  XX

  Legendary Creature — Spirit SnakeC

  Both cards trigger when a counter is placed — they fire together.
• Earth Kingdom General

  3G

  Creature — Human Soldier AllyG

  Both cards trigger when a counter is placed — they fire together.
• Delney, Streetwise Lookout

  2W

  Legendary Creature — Human ScoutW

  Delney, Streetwise Lookout makes Growth-Chamber Guardian's triggered ability trigger an additional time — each time it fires, you get it twice. Value, not a loop.
• Terrasymbiosis

  2G

  EnchantmentG

  Both cards trigger when a counter is placed — they fire together.
• Botanical Brawler

  GW

  Creature — Elemental WarriorGW

  Both cards trigger when a counter is placed — they fire together.
• Roaming Throne

  4

  Artifact Creature — GolemC

  Roaming Throne makes Growth-Chamber Guardian's triggered ability trigger an additional time — each time it fires, you get it twice. Value, not a loop.
• Stocking the Pantry

  G

  EnchantmentG

  Both cards trigger when a counter is placed — they fire together.
• Kros, Defense Contractor

  1GWU

  Legendary Creature — Cat AdvisorGUW

  Both cards trigger when a counter is placed — they fire together.
• Mirror Room // Fractured Realm

  2U5UU

  Enchantment — Room // Enchantment — RoomU

  Mirror Room makes Growth-Chamber Guardian's triggered ability trigger an additional time — each time it fires, you get it twice. Value, not a loop.
• Casey Jones, Back Alley Brute

  3R

  Legendary Creature — Human BerserkerR

  Both cards trigger when a counter is placed — they fire together.
• Knight of Wundagore

  1G

  Creature — Cat Knight VillainG

  Both cards trigger when a counter is placed — they fire together.
• Ant-Man, Colony Commander

  1GU

  Legendary Creature — Human Rogue HeroGU

  Both cards trigger when a counter is placed — they fire together.
• Shalai and Hallar

  1RGW

  Legendary Creature — Angel ElfGRW

  Both cards trigger when a counter is placed — they fire together.
• Moss-Pit Skeleton

  BG

  Creature — Plant SkeletonBG

  Both cards trigger when a counter is placed — they fire together.
• Animation Module

  1

  ArtifactC

  Both cards trigger when a counter is placed — they fire together.
• Wizard's Staff

  1U

  Artifact — EquipmentU

  Wizard's Staff makes Growth-Chamber Guardian's triggered ability trigger an additional time — each time it fires, you get it twice. Value, not a loop.
• Wildwood Scourge

  XG

  Creature — HydraG

  Both cards trigger when a counter is placed — they fire together.
• Captain Marvel, Apex Avenger

  5RW

  Legendary Creature — Human Kree HeroRW

  Both cards trigger when a counter is placed — they fire together.
• Stalwart Successor

  1BG

  Creature — Human WarriorBG

  Both cards trigger when a counter is placed — they fire together.
• Enduring Scalelord

  4GW

  Creature — DragonGW

  Both cards trigger when a counter is placed — they fire together.
• Cursed Wombat

  BG

  Creature — Nightmare WombatBG

  Both cards trigger when a counter is placed — they fire together.
• All Will Be One

  3RR

  EnchantmentR

  Both cards trigger when a counter is placed — they fire together.
• Simic Ascendancy

  GU

  EnchantmentGU

  Both cards trigger when a counter is placed — they fire together.