Confidence:StrongSolidPlausibleTentativeSpeculative

• Grim Monolith

  2

  ArtifactC

  Sphinx of the Second Sun untaps lands, fueling Grim Monolith's mana-hungry effect.
• Nicol Bolas, the Ravager // Nicol Bolas, the Arisen

  1UBR

  Legendary Creature — Elder Dragon // Legendary Planeswalker — BolasBRU

  Sphinx of the Second Sun untaps lands, fueling Nicol Bolas, the Ravager's mana-hungry effect.
• Instrument of the Bards

  G

  Legendary ArtifactG

  Sphinx of the Second Sun untaps lands, fueling Instrument of the Bards's mana-hungry effect.
• Thornvault Forager

  1G

  Creature — Squirrel RangerG

  Sphinx of the Second Sun untaps lands, fueling Thornvault Forager's mana-hungry effect.
• Grim Giganotosaurus

  5BG

  Creature — DinosaurBG

  Sphinx of the Second Sun untaps lands, fueling Grim Giganotosaurus's mana-hungry effect.
• Raff, Weatherlight Stalwart

  WU

  Legendary Creature — Human WizardUW

  Sphinx of the Second Sun untaps lands, fueling Raff, Weatherlight Stalwart's mana-hungry effect.
• Arcanis the Omnipotent

  3UUU

  Legendary Creature — WizardU

  Sphinx of the Second Sun untaps lands, fueling Arcanis the Omnipotent's mana-hungry effect.
• Skyserpent Seeker

  GU

  Creature — SnakeGU

  Sphinx of the Second Sun untaps lands, fueling Skyserpent Seeker's mana-hungry effect.
• Spectral Sailor

  U

  Creature — Spirit PirateU

  Sphinx of the Second Sun untaps lands, fueling Spectral Sailor's mana-hungry effect.
• Baloth Prime

  3G

  Creature — BeastG

  Sphinx of the Second Sun untaps lands, fueling Baloth Prime's mana-hungry effect.
• Brittle Effigy

  1

  ArtifactC

  Sphinx of the Second Sun untaps lands, fueling Brittle Effigy's mana-hungry effect.
• Mr. House, President and CEO

  RWB

  Legendary Artifact Creature — HumanBRW

  Sphinx of the Second Sun untaps lands, fueling Mr. House, President and CEO's mana-hungry effect.
• King T'Challa // Black Panther, Hope Enduring

  1WU4WU

  Legendary Creature — Human Noble Hero // Legendary Creature — Human Warrior HeroUW

  Sphinx of the Second Sun untaps lands, fueling King T'Challa's mana-hungry effect.
• Faerie Mastermind

  1U

  Creature — Faerie RogueU

  Sphinx of the Second Sun untaps lands, fueling Faerie Mastermind's mana-hungry effect.
• Sisay, Weatherlight Captain

  2W

  Legendary Creature — Human SoldierBGRUW

  Sphinx of the Second Sun untaps lands, fueling Sisay, Weatherlight Captain's mana-hungry effect.
• Bruce Banner // The Incredible Hulk

  U2RRGG

  Legendary Creature — Human Scientist Hero // Legendary Creature — Gamma Berserker HeroGRU

  Sphinx of the Second Sun untaps lands, fueling Bruce Banner's mana-hungry effect.
• Norman Osborn // Green Goblin

  1U1UBR

  Legendary Creature — Human Scientist Villain // Legendary Creature — Goblin Human VillainBRU

  Sphinx of the Second Sun untaps lands, fueling Norman Osborn's mana-hungry effect.
• Watery Grasp

  U

  Enchantment — AuraU

  Sphinx of the Second Sun untaps lands, fueling Watery Grasp's mana-hungry effect.
• Retrofitted Transmogrant

  B

  Artifact Creature — ZombieB

  Sphinx of the Second Sun untaps lands, fueling Retrofitted Transmogrant's mana-hungry effect.
• Tinybones, Trinket Thief

  1B

  Legendary Creature — Skeleton RogueB

  Sphinx of the Second Sun untaps lands, fueling Tinybones, Trinket Thief's mana-hungry effect.
• Sewer-veillance Cam

  U

  ArtifactU

  Sphinx of the Second Sun untaps lands, fueling Sewer-veillance Cam's mana-hungry effect.
• Lita, Mechanical Engineer

  2W

  Legendary Artifact Creature — ArtificerW

  Sphinx of the Second Sun untaps lands, fueling Lita, Mechanical Engineer's mana-hungry effect.
• King Darien XLVIII

  1GW

  Legendary Creature — Human SoldierGW

  Sphinx of the Second Sun untaps lands, fueling King Darien XLVIII's mana-hungry effect.
• Recruitment Officer

  W

  Creature — Human SoldierW

  Sphinx of the Second Sun untaps lands, fueling Recruitment Officer's mana-hungry effect.
• Onakke Oathkeeper

  1W

  Creature — Ogre SpiritW

  Sphinx of the Second Sun untaps lands, fueling Onakke Oathkeeper's mana-hungry effect.