Confidence:StrongSolidPlausibleTentativeSpeculative

• Professor Dellian Fel

  2BG

  Legendary Planeswalker — DellianBG

  Damage + lifelink: lifelink converts damage on one side into life triggers the partner pays off — the canonical Heliod / Karlov family.
• Prize Pig

  1G

  Creature — BoarG

  Damage + lifelink: lifelink converts damage on one side into life triggers the partner pays off — the canonical Heliod / Karlov family.
• Qala, Ajani's Pridemate

  3W

  Legendary Creature — Cat WarriorW

  Damage + lifelink: lifelink converts damage on one side into life triggers the partner pays off — the canonical Heliod / Karlov family.
• Heliod, Sun-Crowned

  2W

  Legendary Enchantment Creature — GodW

  Damage + lifelink: lifelink converts damage on one side into life triggers the partner pays off — the canonical Heliod / Karlov family.
• Molten Hydra

  1R

  Creature — HydraR

  Counter + damage loop: one card spends counters to deal damage while the other replaces them on a hit (Heliod + Walking Ballista class).
• Walking Ballista✓

  XX

  Artifact Creature — ConstructC

  Counter + damage loop: one card spends counters to deal damage while the other replaces them on a hit (Heliod + Walking Ballista class).
• Vito, Thorn of the Dusk Rose

  2B

  Legendary Creature — Vampire ClericB

  Damage + lifelink: lifelink converts damage on one side into life triggers the partner pays off — the canonical Heliod / Karlov family.
• Leyline of Hope

  2WW

  EnchantmentW

  Damage + lifelink: lifelink converts damage on one side into life triggers the partner pays off — the canonical Heliod / Karlov family.
• South Wind Avatar

  3B

  Creature — Snake Spirit AvatarB

  Damage + lifelink: lifelink converts damage on one side into life triggers the partner pays off — the canonical Heliod / Karlov family.
• Knight of Dawn's Light

  1W

  Creature — Human KnightW

  Damage + lifelink: lifelink converts damage on one side into life triggers the partner pays off — the canonical Heliod / Karlov family.
• Phial of Galadriel

  3

  Legendary ArtifactC

  Damage + lifelink: lifelink converts damage on one side into life triggers the partner pays off — the canonical Heliod / Karlov family.
• Oloro, Ageless Ascetic

  3WUB

  Legendary Creature — Giant SoldierBUW

  Damage + lifelink: lifelink converts damage on one side into life triggers the partner pays off — the canonical Heliod / Karlov family.
• Cleric of Life's Bond

  WB

  Creature — Vampire ClericBW

  Damage + lifelink: lifelink converts damage on one side into life triggers the partner pays off — the canonical Heliod / Karlov family.
• Triskelion✓

  6

  Artifact Creature — ConstructC

  Counter + damage loop: one card spends counters to deal damage while the other replaces them on a hit (Heliod + Walking Ballista class).
• Deathbringer Thoctar✓

  4BR

  Creature — Zombie BeastBR

  Counter + damage loop: one card spends counters to deal damage while the other replaces them on a hit (Heliod + Walking Ballista class).
• Ulasht, the Hate Seed

  2RG

  Legendary Creature — Hellion HydraGR

  Counter + damage loop: one card spends counters to deal damage while the other replaces them on a hit (Heliod + Walking Ballista class).
• Study the Classics

  2G

  SorceryG

  Lifegain pair: one card gains life while the other rewards lifegain. They reinforce each other in a lifegain deck.
• Marath, Will of the Wild

  RGW

  Legendary Creature — Elemental BeastGRW

  Counter + damage loop: one card spends counters to deal damage while the other replaces them on a hit (Heliod + Walking Ballista class).
• The Archimandrite

  2URW

  Legendary Creature — Human AdvisorRUW

  Damage + lifelink: lifelink converts damage on one side into life triggers the partner pays off — the canonical Heliod / Karlov family.
• Heron of Hope

  3W

  Creature — BirdW

  Damage + lifelink: lifelink converts damage on one side into life triggers the partner pays off — the canonical Heliod / Karlov family.
• The Wind Crystal

  2WW

  Legendary ArtifactW

  Damage + lifelink: lifelink converts damage on one side into life triggers the partner pays off — the canonical Heliod / Karlov family.
• Valentin, Dean of the Vein // Lisette, Dean of the Root

  B2GG

  Legendary Creature — Vampire Warlock // Legendary Creature — Human DruidBG

  Both cards trigger on life gain — they fire together.
• Copperhorn Scout

  G

  Creature — Elf ScoutG

  Copperhorn Scout untaps all (or many) permanents, refreshing The Destined White Mage's tap activation.
• Nazar, the Velvet Fang

  3B

  Legendary Creature — Vampire WarlockB

  Both cards trigger on life gain — they fire together.
• Karlov of the Ghost Council

  WB

  Legendary Creature — Spirit AdvisorBW

  Both cards trigger on life gain — they fire together.