Confidence:StrongSolidPlausibleTentativeSpeculative

• Sygg, Wanderwine Wisdom // Sygg, Wanderbrine Shield

  1U

  Legendary Creature — Merfolk Wizard // Legendary Creature — Merfolk RogueUW

  Both cards trigger on damage dealt — they fire together.
• Reanimate

  B

  SorceryB

  Reanimate puts A-Mischievous Catgeist onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Helping Hand

  W

  SorceryW

  Helping Hand puts A-Mischievous Catgeist onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Unearth

  B

  SorceryB

  Unearth puts A-Mischievous Catgeist 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 A-Mischievous Catgeist onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Gonti, Night Minister

  2BB

  Legendary Creature — Aetherborn RogueB

  Both cards trigger on damage dealt — they fire together.
• Lost Jitte

  1

  Legendary Artifact — EquipmentC

  Both cards trigger on damage dealt — they fire together.
• Godo, Bandit Warlord

  5R

  Legendary Creature — Human BarbarianR

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

  2RWB

  EnchantmentBRW

  All-Out Assault grants an extra combat phase, enabling A-Mischievous Catgeist's combat-trigger payoff.
• Tamiyo, Upriser Crowned

  4RW

  Legendary Creature — Moonfolk WarriorRW

  Both cards trigger on damage dealt — they fire together.
• Gix, Yawgmoth Praetor

  1BB

  Legendary Creature — Phyrexian PraetorB

  Both cards trigger on damage dealt — they fire together.
• Foot Chopper

  1B

  Artifact — EquipmentB

  Both cards trigger on damage dealt — they fire together.
• Balthier and Fran

  1RG

  Legendary Creature — Human RabbitGR

  Balthier and Fran grants an extra combat phase, enabling A-Mischievous Catgeist's combat-trigger payoff.
• Ogre-Head Helm

  1R

  Artifact Creature — Equipment OgreR

  Both cards trigger on damage dealt — they fire together.
• Bruce Banner // The Incredible Hulk

  U2RRGG

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

  Bruce Banner grants an extra combat phase, enabling A-Mischievous Catgeist's combat-trigger payoff.
• Witch-king of Angmar

  3BB

  Legendary Creature — Wraith NobleB

  Both cards trigger on damage dealt — they fire together.
• Sword of Sinew and Steel

  3

  Artifact — EquipmentC

  Both cards trigger on damage dealt — they fire together.
• Éomer, Marshal of Rohan

  2RR

  Legendary Creature — Human KnightR

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

  1R

  Enchantment Creature — NightmareR

  Fear of Missing Out grants an extra combat phase, enabling A-Mischievous Catgeist's combat-trigger payoff.
• Sword of Hearth and Home

  3

  Artifact — EquipmentC

  Both cards trigger on damage dealt — they fire together.
• Soulstealer Axe

  1

  Artifact — EquipmentC

  Both cards trigger on damage dealt — they fire together.
• Sword of Wealth and Power

  3

  Artifact — EquipmentC

  Both cards trigger on damage dealt — they fire together.
• Roaming Throne

  4

  Artifact Creature — GolemC

  Roaming Throne makes A-Mischievous Catgeist's triggered ability trigger an additional time — each time it fires, you get it twice. Value, not a loop.
• Bumi, Unleashed

  3RG

  Legendary Creature — Human Noble AllyGR

  Bumi, Unleashed grants an extra combat phase, enabling A-Mischievous Catgeist's combat-trigger payoff.
• Curiosity

  U

  Enchantment — AuraU

  Both cards trigger on damage dealt — they fire together.