Confidence:StrongSolidPlausibleTentativeSpeculative

• Isshin, Two Heavens as One

  RWB

  Legendary Creature — Human SamuraiBRW

  Isshin, Two Heavens as One makes Kellogg, Dangerous Mind'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 Kellogg, Dangerous Mind's triggered ability trigger an additional time — each time it fires, you get it twice. Value, not a loop.
• Wulfgar of Icewind Dale

  3RG

  Legendary Creature — Human BarbarianGR

  Wulfgar of Icewind Dale makes Kellogg, Dangerous Mind'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 Kellogg, Dangerous Mind's triggered ability trigger an additional time — each time it fires, you get it twice. Value, not a loop.
• Roaming Throne

  4

  Artifact Creature — GolemC

  Roaming Throne makes Kellogg, Dangerous Mind's triggered ability trigger an additional time — each time it fires, you get it twice. Value, not a loop.
• Mirror Room // Fractured Realm

  2U5UU

  Enchantment — Room // Enchantment — RoomU

  Mirror Room makes Kellogg, Dangerous Mind's triggered ability trigger an additional time — each time it fires, you get it twice. Value, not a loop.
• Wizard's Staff

  1U

  Artifact — EquipmentU

  Wizard's Staff makes Kellogg, Dangerous Mind's triggered ability trigger an additional time — each time it fires, you get it twice. Value, not a loop.
• Minsc & Boo, Timeless Heroes

  2RG

  Legendary Planeswalker — MinscGR

  Kellogg, Dangerous Mind temporarily takes control of an opponent's creature, and Minsc & Boo, Timeless Heroes sacrifices it — the opponent loses the permanent for good.
• Mask of the Mimic

  U

  InstantU

  Kellogg, Dangerous Mind temporarily takes control of an opponent's creature, and Mask of the Mimic sacrifices it — the opponent loses the permanent for good.
• Obsessive Pursuit

  1B

  EnchantmentB

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

  G

  Creature — Goblin ShamanBGR

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

  G

  Creature — Human DruidGUW

  Both cards trigger when a permanent attacks — they fire together.
• My Precious // Allure of Power

  31B

  Legendary Artifact — Equipment // Instant — AdventureB

  Kellogg, Dangerous Mind temporarily takes control of an opponent's creature, and My Precious sacrifices it — the opponent loses the permanent for good.
• Reanimate

  B

  SorceryB

  Reanimate puts Kellogg, Dangerous Mind onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Bard, Heir of Girion

  2WU

  Legendary Creature — Human ArcherUW

  Both cards trigger when a permanent attacks — they fire together.
• Kethek, Crucible Goliath

  2BR

  Legendary Creature — Phyrexian BeastBR

  Kellogg, Dangerous Mind temporarily takes control of an opponent's creature, and Kethek, Crucible Goliath sacrifices it — the opponent loses the permanent for good.
• Garruk, Curse Breaker

  3GG

  Legendary Planeswalker — GarrukG

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

  3W

  Creature — Bird ClericW

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

  W

  SorceryW

  Helping Hand puts Kellogg, Dangerous Mind onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Unearth

  B

  SorceryB

  Unearth puts Kellogg, Dangerous Mind onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Winota, Joiner of Forces

  2RW

  Legendary Creature — Human WarriorRW

  Both cards trigger when a permanent attacks — they fire together.
• Gallia of the Endless Dance

  RG

  Legendary Creature — SatyrGR

  Both cards trigger when a permanent attacks — they fire together.
• Jon Irenicus, Shattered One

  2UB

  Legendary Creature — Elf WizardBU

  Both cards trigger when a permanent attacks — they fire together.
• Grimgrin, Corpse-Born

  3UB

  Legendary Creature — Zombie WarriorBU

  Kellogg, Dangerous Mind temporarily takes control of an opponent's creature, and Grimgrin, Corpse-Born sacrifices it — the opponent loses the permanent for good.
• Ultimate Nullification

  4W

  SorceryW

  Kellogg, Dangerous Mind temporarily takes control of an opponent's creature, and Ultimate Nullification sacrifices it — the opponent loses the permanent for good.