Confidence:StrongSolidPlausibleTentativeSpeculative

• Sun-Blessed Guardian // Furnace-Blessed Conqueror

  1W

  Creature — Human Cleric // Creature — Phyrexian ClericRW

  Both cards produce the same kind of effect (shared token subtype).
• Hallowed Haunting

  2WW

  EnchantmentW

  Both cards produce the same kind of effect (shared token subtype).
• Rite of Belzenlok

  2BB

  Enchantment — SagaB

  Both cards produce the same kind of effect (shared token subtype).
• Temmet, Vizier of Naktamun

  WU

  Legendary Creature — Human ClericUW

  Both cards produce the same kind of effect (shared token subtype).
• Starscape Cleric

  1B

  Creature — Bat ClericB

  Both cards produce the same kind of effect (shared token subtype).
• Outlaws' Merriment

  1RWW

  EnchantmentRW

  Both cards produce the same kind of effect (shared token subtype).
• Hanweir Militia Captain // Westvale Cult Leader

  1W

  Creature — Human Soldier // Creature — Human ClericW

  Both cards produce the same kind of effect (shared token subtype).
• Anointer Priest

  1W

  Creature — Human ClericW

  Both cards produce the same kind of effect (shared token subtype).
• Conclave Evangelist

  3G/WG/W

  Creature — Elephant ClericGW

  Both cards produce the same kind of effect (shared token subtype).
• Llanowar Druid

  1G

  Creature — Elf DruidG

  Refuel loop: one card's payoff untaps your lands, paying for the other's activation again — repeatable every turn, and often infinite.
• Vizier of Many Faces

  2UU

  Creature — Shapeshifter ClericU

  Both cards produce the same kind of effect (shared token subtype).
• Steadfast Sentinel

  3W

  Creature — Human ClericW

  Both cards produce the same kind of effect (shared token subtype).
• Deathpact Angel

  3WBB

  Creature — AngelBW

  Both cards produce the same kind of effect (shared token subtype).
• Innocuous Researcher

  3G

  Creature — Centaur DetectiveG

  Innocuous Researcher untaps lands, fueling Heliod, God of the Sun's mana-hungry effect.
• Fiery Gambit

  2R

  SorceryR

  Fiery Gambit untaps lands, fueling Heliod, God of the Sun's mana-hungry effect.
• Time Spiral

  4UU

  SorceryU

  Time Spiral untaps lands, fueling Heliod, God of the Sun's mana-hungry effect.
• Nissa, Vastwood Seer // Nissa, Sage Animist

  2G

  Legendary Creature — Elf Scout // Legendary Planeswalker — NissaG

  Nissa, Vastwood Seer untaps lands, fueling Heliod, God of the Sun's mana-hungry effect.
• Elrond, Moon-Reader

  2U

  Legendary Creature — Elf NobleU

  Heliod, God of the Sun has activated abilities that aren't mana abilities, fueling Elrond, Moon-Reader's activation-trigger.
• Nissa, Worldwaker

  3GG

  Legendary Planeswalker — NissaG

  Nissa, Worldwaker untaps lands, fueling Heliod, God of the Sun's mana-hungry effect.
• Rewind

  2UU

  InstantU

  Rewind untaps lands, fueling Heliod, God of the Sun's mana-hungry effect.
• Prophet of Kruphix

  3GU

  Creature — Human WizardGU

  Prophet of Kruphix untaps lands, fueling Heliod, God of the Sun's mana-hungry effect.
• Bumi, Unleashed

  3RG

  Legendary Creature — Human Noble AllyGR

  Bumi, Unleashed untaps lands, fueling Heliod, God of the Sun's mana-hungry effect.
• Finale of Revelation

  XUU

  SorceryU

  Finale of Revelation untaps lands, fueling Heliod, God of the Sun's mana-hungry effect.
• Zacama, Primal Calamity

  6RGW

  Legendary Creature — Elder DinosaurGRW

  Zacama, Primal Calamity untaps lands, fueling Heliod, God of the Sun's mana-hungry effect.
• Sphinx of the Second Sun

  6UU

  Creature — SphinxU

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