Confidence:StrongSolidPlausibleTentativeSpeculative

• Professor Dellian Fel

  2BG

  Legendary Planeswalker — DellianBG

  Gideon Blackblade grants lifelink, converting Professor Dellian Fel's damage into life-gain triggers.
• Bruce Banner // The Incredible Hulk

  U2RRGG

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

  Bruce Banner grants an extra combat phase, enabling Gideon Blackblade's combat-trigger payoff.
• Nazar, the Velvet Fang

  3B

  Legendary Creature — Vampire WarlockB

  Gideon Blackblade grants lifelink, converting Nazar, the Velvet Fang's damage into life-gain triggers.
• Karlov of the Ghost Council

  WB

  Legendary Creature — Spirit AdvisorBW

  Gideon Blackblade grants lifelink, converting Karlov of the Ghost Council's damage into life-gain triggers.
• Amalia Benavides Aguirre

  WB

  Legendary Creature — Vampire ScoutBW

  Gideon Blackblade grants lifelink, converting Amalia Benavides Aguirre's damage into life-gain triggers.
• Trudge Garden

  2G

  EnchantmentG

  Gideon Blackblade grants lifelink, converting Trudge Garden's damage into life-gain triggers.
• All-Out Assault

  2RWB

  EnchantmentBRW

  All-Out Assault grants an extra combat phase, enabling Gideon Blackblade's combat-trigger payoff.
• Aggravated Assault

  2R

  EnchantmentR

  Aggravated Assault grants an extra combat phase, enabling Gideon Blackblade's combat-trigger payoff.
• Chandra, Flamecaller

  4RR

  Legendary Planeswalker — ChandraR

  Chandra, Flamecaller deals damage to many targets, fueling Gideon Blackblade's damage-payoff trigger.
• Mila, Crafty Companion // Lukka, Wayward Bonder

  1WW4RR

  Legendary Creature — Fox // Legendary Planeswalker — LukkaRW

  Mila, Crafty Companion produces broad damage that redirects through Gideon Blackblade into something useful.
• Comforting Counsel

  1G

  EnchantmentG

  Gideon Blackblade grants lifelink, converting Comforting Counsel's damage into life-gain triggers.
• Fires of Mount Doom

  2R

  Legendary EnchantmentR

  Fires of Mount Doom produces broad damage that redirects through Gideon Blackblade into something useful.
• Prize Pig

  1G

  Creature — BoarG

  Gideon Blackblade grants lifelink, converting Prize Pig's damage into life-gain triggers.
• Starscape Cleric

  1B

  Creature — Bat ClericB

  Gideon Blackblade grants lifelink, converting Starscape Cleric's damage into life-gain triggers.
• Qala, Ajani's Pridemate

  3W

  Legendary Creature — Cat WarriorW

  Gideon Blackblade grants lifelink, converting Qala, Ajani's Pridemate's damage into life-gain triggers.
• Niv-Mizzet, Ghost Counsel

  2WWBB

  Legendary Creature — Spirit DragonBW

  Gideon Blackblade grants lifelink, converting Niv-Mizzet, Ghost Counsel's damage into life-gain triggers.
• Godo, Bandit Warlord

  5R

  Legendary Creature — Human BarbarianR

  Godo, Bandit Warlord grants an extra combat phase, enabling Gideon Blackblade's combat-trigger payoff.
• Balthier and Fran

  1RG

  Legendary Creature — Human RabbitGR

  Balthier and Fran grants an extra combat phase, enabling Gideon Blackblade's combat-trigger payoff.
• Bloombrute

  2GW

  Creature — Plant ElementalGW

  Gideon Blackblade grants lifelink, converting Bloombrute's damage into life-gain triggers.
• Heliod, Sun-Crowned

  2W

  Legendary Enchantment Creature — GodW

  Gideon Blackblade grants lifelink, converting Heliod, Sun-Crowned's damage into life-gain triggers.
• Dina, Soul Steeper

  BG

  Legendary Creature — Dryad DruidBG

  Gideon Blackblade grants lifelink, converting Dina, Soul Steeper's damage into life-gain triggers.
• Fury of the Horde

  5RR

  SorceryR

  Fury of the Horde grants an extra combat phase, enabling Gideon Blackblade's combat-trigger payoff.
• Fear of Missing Out

  1R

  Enchantment Creature — NightmareR

  Fear of Missing Out grants an extra combat phase, enabling Gideon Blackblade's combat-trigger payoff.
• Ajani Resolute

  1W

  Legendary Planeswalker — AjaniW

  Gideon Blackblade grants lifelink, converting Ajani Resolute's damage into life-gain triggers.
• Voice of the Blessed

  WW

  Creature — Spirit ClericW

  Gideon Blackblade grants lifelink, converting Voice of the Blessed's damage into life-gain triggers.