Confidence:StrongSolidPlausibleTentativeSpeculative

• Professor Dellian Fel

  2BG

  Legendary Planeswalker — DellianBG

  Lifegain pair: one card gains life while the other rewards lifegain. They reinforce each other in a lifegain deck.
• Resplendent Angel

  1WW

  Creature — AngelW

  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

  Lifegain pair: one card gains life while the other rewards lifegain. They reinforce each other in a lifegain deck.
• Niv-Mizzet, Ghost Counsel

  2WWBB

  Legendary Creature — Spirit DragonBW

  Lifegain pair: one card gains life while the other rewards lifegain. They reinforce each other in a lifegain deck.
• Bloombrute

  2GW

  Creature — Plant ElementalGW

  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.
• Ajani Resolute

  1W

  Legendary Planeswalker — AjaniW

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

  Lifegain pair: one card gains life while the other rewards lifegain. They reinforce each other in a lifegain deck.
• South Wind Avatar

  3B

  Creature — Snake Spirit AvatarB

  Lifegain pair: one card gains life while the other rewards lifegain. They reinforce each other in a lifegain deck.
• The Destined White Mage

  2W

  Legendary Creature — Human ClericW

  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

  Lifegain pair: one card gains life while the other rewards lifegain. They reinforce each other in a lifegain deck.
• Titanbones, Towering Heart

  3G

  Legendary Creature — Skeleton DruidG

  Lifegain pair: one card gains life while the other rewards lifegain. They reinforce each other in a lifegain deck.
• Bre of Clan Stoutarm

  2RW

  Legendary Creature — Giant WarriorRW

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

  5B

  Legendary Creature — Vampire AngelBW

  Lifegain pair: one card gains life while the other rewards lifegain. They reinforce each other in a lifegain deck.
• Oloro, Ageless Ascetic

  3WUB

  Legendary Creature — Giant SoldierBUW

  Lifegain pair: one card gains life while the other rewards lifegain. They reinforce each other in a lifegain deck.
• Cleric of Life's Bond

  WB

  Creature — Vampire ClericBW

  Lifegain pair: one card gains life while the other rewards lifegain. They reinforce each other in a lifegain deck.
• Fiendish Panda

  2WB

  Creature — Bear DemonBW

  Lifegain pair: one card gains life while the other rewards lifegain. They reinforce each other in a lifegain deck.
• Study the Classics

  2G

  SorceryG

  Lifegain pair: one card gains life while the other rewards lifegain. They reinforce each other in a lifegain deck.
• The Archimandrite

  2URW

  Legendary Creature — Human AdvisorRUW

  Lifegain pair: one card gains life while the other rewards lifegain. They reinforce each other in a lifegain deck.
• 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.
• Baron Helmut Zemo

  BBB

  Legendary Creature — Human Noble VillainB

  Copy engine: one card makes a copy of a creature every turn, and the other's enter-the-battlefield effect rewards each copy. Real, repeatable value — the partner can't untap or re-enter the copier, so it never goes infinite.
• 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.
• Nazar, the Velvet Fang

  3B

  Legendary Creature — Vampire WarlockB

  Both cards trigger on life gain — they fire together.