Confidence:StrongSolidPlausibleTentativeSpeculative

• Reanimate

  B

  SorceryB

  Reanimate puts Steadfast Cathar onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Helping Hand

  W

  SorceryW

  Helping Hand puts Steadfast Cathar onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Unearth

  B

  SorceryB

  Unearth puts Steadfast Cathar onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Grave Researcher // Reanimate

  2BB

  Creature — Troll Warlock // SorceryB

  Grave Researcher puts Steadfast Cathar onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Godo, Bandit Warlord

  5R

  Legendary Creature — Human BarbarianR

  Godo, Bandit Warlord grants an extra combat phase, enabling Steadfast Cathar's combat-trigger payoff.
• All-Out Assault

  2RWB

  EnchantmentBRW

  All-Out Assault grants an extra combat phase, enabling Steadfast Cathar's combat-trigger payoff.
• Zariel, Archduke of Avernus

  2RR

  Legendary Planeswalker — ZarielR

  Zariel, Archduke of Avernus grants an extra combat phase, enabling Steadfast Cathar's combat-trigger payoff.
• Balthier and Fran

  1RG

  Legendary Creature — Human RabbitGR

  Balthier and Fran grants an extra combat phase, enabling Steadfast Cathar's combat-trigger payoff.
• Bruce Banner // The Incredible Hulk

  U2RRGG

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

  Bruce Banner grants an extra combat phase, enabling Steadfast Cathar's combat-trigger payoff.
• Ral Zarek

  2UR

  Legendary Planeswalker — RalRU

  Ral Zarek grants an extra turn, enabling Steadfast Cathar's per-turn payoff.
• Éomer, Marshal of Rohan

  2RR

  Legendary Creature — Human KnightR

  Éomer, Marshal of Rohan grants an extra combat phase, enabling Steadfast Cathar's combat-trigger payoff.
• Fear of Missing Out

  1R

  Enchantment Creature — NightmareR

  Fear of Missing Out grants an extra combat phase, enabling Steadfast Cathar's combat-trigger payoff.
• Aurelia, the Warleader

  2RRWW

  Legendary Creature — AngelRW

  Aurelia, the Warleader grants an extra combat phase, enabling Steadfast Cathar's combat-trigger payoff.
• Combat Celebrant

  2R

  Creature — Human WarriorR

  Combat Celebrant grants an extra combat phase, enabling Steadfast Cathar's combat-trigger payoff.
• Raph & Leo, Sibling Rivals

  1R/WR/W

  Legendary Creature — Mutant Ninja TurtleRW

  Raph & Leo, Sibling Rivals grants an extra combat phase, enabling Steadfast Cathar's combat-trigger payoff.
• Anzrag, the Quake-Mole

  2RG

  Legendary Creature — Mole GodGR

  Anzrag, the Quake-Mole grants an extra combat phase, enabling Steadfast Cathar's combat-trigger payoff.
• Akki Battle Squad

  5R

  Creature — Goblin SamuraiR

  Akki Battle Squad grants an extra combat phase, enabling Steadfast Cathar's combat-trigger payoff.
• Hexplate Wallbreaker

  3RR

  Artifact — EquipmentR

  Hexplate Wallbreaker grants an extra combat phase, enabling Steadfast Cathar's combat-trigger payoff.
• Hellkite Charger

  4RR

  Creature — DragonR

  Hellkite Charger grants an extra combat phase, enabling Steadfast Cathar's combat-trigger payoff.
• Najeela, the Blade-Blossom

  2R

  Legendary Creature — Human WarriorBGRUW

  Najeela, the Blade-Blossom grants an extra combat phase, enabling Steadfast Cathar's combat-trigger payoff.
• Grim Reaper's Sprint

  4R

  Enchantment — AuraR

  Grim Reaper's Sprint grants an extra combat phase, enabling Steadfast Cathar's combat-trigger payoff.
• Raiyuu, Storm's Edge

  2RW

  Legendary Creature — Human SamuraiRW

  Raiyuu, Storm's Edge grants an extra combat phase, enabling Steadfast Cathar's combat-trigger payoff.
• Lightning Runner

  3RR

  Creature — Human WarriorR

  Lightning Runner grants an extra combat phase, enabling Steadfast Cathar's combat-trigger payoff.
• Karlach, Fury of Avernus

  4R

  Legendary Creature — Tiefling BarbarianR

  Karlach, Fury of Avernus grants an extra combat phase, enabling Steadfast Cathar's combat-trigger payoff.
• Scourge of the Throne

  4RR

  Creature — DragonR

  Scourge of the Throne grants an extra combat phase, enabling Steadfast Cathar's combat-trigger payoff.