Confidence:StrongSolidPlausibleTentativeSpeculative

• Obsessive Pursuit

  1B

  EnchantmentB

  Both cards trigger when a permanent attacks — they fire together.
• Isshin, Two Heavens as One

  RWB

  Legendary Creature — Human SamuraiBRW

  Isshin, Two Heavens as One makes Spinneret and Spiderling's triggered ability trigger an additional time — each time it fires, you get it twice. Value, not a loop.
• Windcrag Siege

  1RW

  EnchantmentRW

  Windcrag Siege makes Spinneret and Spiderling's triggered ability trigger an additional time — each time it fires, you get it twice. Value, not a loop.
• Bonny Pall, Clearcutter

  3GUU

  Legendary Creature — Giant ScoutGU

  Both cards trigger when a permanent attacks — they fire together.
• Wulfgar of Icewind Dale

  3RG

  Legendary Creature — Human BarbarianGR

  Wulfgar of Icewind Dale makes Spinneret and Spiderling's triggered ability trigger an additional time — each time it fires, you get it twice. Value, not a loop.
• Powerstone Minefield

  2RW

  EnchantmentRW

  Both cards trigger when a permanent attacks — they fire together.
• Delney, Streetwise Lookout

  2W

  Legendary Creature — Human ScoutW

  Delney, Streetwise Lookout makes Spinneret and Spiderling's triggered ability trigger an additional time — each time it fires, you get it twice. Value, not a loop.
• Annie Joins Up

  1RGW

  Legendary EnchantmentGRW

  Annie Joins Up makes Spinneret and Spiderling's triggered ability trigger an additional time — each time it fires, you get it twice. Value, not a loop.
• Misty Mountains Raider

  4R

  Creature — Goblin SoldierR

  Both cards trigger when a permanent attacks — they fire together.
• Roaming Throne

  4

  Artifact Creature — GolemC

  Roaming Throne makes Spinneret and Spiderling's triggered ability trigger an additional time — each time it fires, you get it twice. Value, not a loop.
• Mishra, Claimed by Gix

  2BR

  Legendary Creature — Phyrexian Human ArtificerBR

  Both cards trigger when a permanent attacks — they fire together.
• Mirror Room // Fractured Realm

  2U5UU

  Enchantment — Room // Enchantment — RoomU

  Mirror Room makes Spinneret and Spiderling's triggered ability trigger an additional time — each time it fires, you get it twice. Value, not a loop.
• Gimli's Reckless Might

  3R

  EnchantmentR

  Both cards trigger when a permanent attacks — they fire together.
• Shard of Broken Glass

  1

  Artifact — EquipmentC

  Both cards trigger when a permanent attacks — they fire together.
• Wizard's Staff

  1U

  Artifact — EquipmentU

  Wizard's Staff makes Spinneret and Spiderling's triggered ability trigger an additional time — each time it fires, you get it twice. Value, not a loop.
• Throwing Knife

  2

  Artifact — EquipmentC

  Both cards trigger when a permanent attacks — they fire together.
• Dawnsire, Sunstar Dreadnought

  5

  Legendary Artifact — SpacecraftC

  Both cards trigger when a permanent attacks — they fire together.
• Heart-Piercer Bow

  2

  Artifact — EquipmentC

  Both cards trigger when a permanent attacks — they fire together.
• Mirror Mockery

  1U

  Enchantment — AuraU

  Both cards trigger when a permanent attacks — they fire together.
• Nuka-Nuke Launcher

  2

  Artifact — EquipmentC

  Both cards trigger when a permanent attacks — they fire together.
• Psychic Impetus

  2U

  Enchantment — AuraU

  Both cards trigger when a permanent attacks — they fire together.
• Lothlórien Blade

  3

  Artifact — EquipmentC

  Both cards trigger when a permanent attacks — they fire together.
• Luminous Wake

  2W

  Enchantment — AuraW

  Both cards trigger when a permanent attacks — they fire together.
• Chorale of the Void

  3B

  Enchantment — AuraB

  Both cards trigger when a permanent attacks — they fire together.
• Extra Arms

  4R

  Enchantment — AuraR

  Both cards trigger when a permanent attacks — they fire together.