Confidence:StrongSolidPlausibleTentativeSpeculative

• Piece It Together

  U

  SorceryU

  Both cards produce extra turns — their effects stack.
• Xho Cai, Flickering Talon

  URW

  Legendary Creature — Bird MonkRUW

  Blink engine: one card blinks creatures — once a turn, once a combat, or each time you pay — and the other's enter-the-battlefield effect fires again on every blink. Real, repeatable value — never infinite on its own.
• Blighted Nightmare

  2B

  EnchantmentB

  Recursion engine: one card can reanimate repeatedly (an activated ability, or a return that comes back once a turn), and the other is a creature worth bringing back again and again — or a creature you recast from your graveyard beside a sacrifice outlet that doesn't pay for the recast. Real, repeatable value — not an infinite loop on its own.
• Surgical Metamorph

  3U

  Artifact Creature — Phyrexian ShapeshifterU

  One-shot copy enabler: a card enters as a copy of another (Phantasmal Image, Body Double, Phyrexian Metamorph), firing the partner's substantive ETB once. Not a repeating chain — fires once on entry — but valuable when the partner's ETB is combo-grade (graveyard reanimator, mana doubler, etc.).
• Glorifying Verse

  W/B

  EnchantmentBW

  Both cards trigger when a permanent attacks — they fire together.
• Verdant Dread

  1G

  EnchantmentG

  Both cards trigger when a creature enters the battlefield — they fire together.
• Sanguine Soothsayer

  1B

  Creature — Bat ClericB

  Both cards trigger when a creature enters the battlefield — they fire together.
• Emperor Apatzec Intli IV

  RGW

  Legendary Creature — Human NobleGRW

  Both cards trigger when a creature enters the battlefield — they fire together.
• Jessie Zane, Fangbringer

  1GG

  Legendary Creature — Human AssassinG

  Both cards trigger when a creature enters the battlefield — they fire together.
• Solitary Defiance

  2U

  EnchantmentU

  Both cards trigger when a permanent attacks — they fire together.
• A-Winota, Joiner of Forces

  2RW

  Legendary Creature — Human WarriorRW

  Both cards trigger when a permanent attacks — they fire together.
• Distracted Botanist

  1BG

  Creature — Frog DruidBG

  Both cards trigger when a creature enters the battlefield — they fire together.
• Fear of Ridicule

  1BB

  Enchantment Creature — NightmareB

  Fear of Ridicule creates token copies, feeding Ultimecia, Time Sorceress's ETB or copy payoff.
• Mutable Pupa

  G

  Creature — InsectG

  Both cards trigger when a creature enters the battlefield — they fire together.
• Niambi, Beloved Protector

  WU

  Legendary Creature — Human ClericUW

  Niambi, Beloved Protector returns creatures from the graveyard to the battlefield, re-firing Ultimecia, Time Sorceress's enter-the-battlefield effect.
• Back-Alley Gardener

  RGW

  Creature — Elf DruidGRW

  Both cards trigger when a creature enters the battlefield — they fire together.
• Tome of Gadwick

  U

  Artifact — Book EquipmentU

  Both cards trigger when a permanent attacks — they fire together.
• Vv'viza, Orbital Overseer

  1GWU

  Legendary Creature — Jellyfish AdvisorGUW

  Both cards trigger when a permanent attacks — they fire together.
• Forgeborn Phoenix

  1RR

  Artifact Creature — Equipment PhoenixR

  Forgeborn Phoenix returns creatures from the graveyard to the battlefield, re-firing Ultimecia, Time Sorceress's enter-the-battlefield effect.
• Pull of the Mist Moon

  1WW

  EnchantmentUW

  Both cards trigger when a creature enters the battlefield — they fire together.
• Candela, Aegis of Adagia

  W

  Legendary Artifact — SpacecraftW

  Candela, Aegis of Adagia bounces a permanent, enabling Ultimecia, Time Sorceress's recast / spell-cast trigger.
• Stonehide Ancient // Warning Tremor

  3GUR2R

  Creature — Dragon // Sorcery — OmenGRU

  Stonehide Ancient bounces a permanent, enabling Ultimecia, Time Sorceress's recast / spell-cast trigger.
• A-Krydle of Baldur's Gate

  UB

  Legendary Creature — Human Elf RogueBU

  Both cards trigger when a permanent attacks — they fire together.
• Kithkin Brinefarer

  1GW

  Creature — Kithkin Warrior BardGW

  Both cards trigger when a permanent attacks — they fire together.
• Legion Reconsecrator

  2B

  Creature — Vampire SoldierB

  Legion Reconsecrator returns creatures from the graveyard to the battlefield, re-firing Ultimecia, Time Sorceress's enter-the-battlefield effect.