Confidence:StrongSolidPlausibleTentativeSpeculative

• Ratadrabik of Urborg✓

  2WB

  Legendary Creature — Zombie WizardBW

  Copy chain: one card creates hasty copies of a creature whose ability or ETB the partner exploits — the canonical Kiki-Jiki / Splinter Twin pattern.
• Felix Five-Boots

  2BGU

  Legendary Creature — Ooze RogueBGU

  Felix Five-Boots makes Bilbo, Retired Burglar's triggered ability trigger an additional time — each time it fires, you get it twice. Value, not a loop.
• Delney, Streetwise Lookout

  2W

  Legendary Creature — Human ScoutW

  Delney, Streetwise Lookout makes Bilbo, Retired Burglar's triggered ability trigger an additional time — each time it fires, you get it twice. Value, not a loop.
• Annie Joins Up

  1RGW

  Legendary EnchantmentGRW

  Annie Joins Up makes Bilbo, Retired Burglar's triggered ability trigger an additional time — each time it fires, you get it twice. Value, not a loop.
• Roaming Throne

  4

  Artifact Creature — GolemC

  Roaming Throne makes Bilbo, Retired Burglar's triggered ability trigger an additional time — each time it fires, you get it twice. Value, not a loop.
• Rionya, Fire Dancer

  3RR

  Legendary Creature — Human WizardR

  Copy engine: one card makes copies of a creature — once a turn, or once for each time you pay its cost — and each copy pays off: the creature's enter-the-battlefield effect fires again, or the hasty copy uses its tap ability. Real, repeatable value — every copy has its turn or its price, so it never goes infinite on its own.
• Mirror Room // Fractured Realm

  2U5UU

  Enchantment — Room // Enchantment — RoomU

  Mirror Room makes Bilbo, Retired Burglar's triggered ability trigger an additional time — each time it fires, you get it twice. Value, not a loop.
• Helm of the Host

  4

  Legendary Artifact — EquipmentC

  Copy engine: one card makes copies of a creature — once a turn, or once for each time you pay its cost — and each copy pays off: the creature's enter-the-battlefield effect fires again, or the hasty copy uses its tap ability. Real, repeatable value — every copy has its turn or its price, so it never goes infinite on its own.
• Reg Barclay, Fidgety Fantasist

  2UR

  Legendary Creature — Human ArtificerRU

  Copy engine: one card makes copies of a creature — once a turn, or once for each time you pay its cost — and each copy pays off: the creature's enter-the-battlefield effect fires again, or the hasty copy uses its tap ability. Real, repeatable value — every copy has its turn or its price, so it never goes infinite on its own.
• Wizard's Staff

  1U

  Artifact — EquipmentU

  Wizard's Staff makes Bilbo, Retired Burglar's triggered ability trigger an additional time — each time it fires, you get it twice. Value, not a loop.
• Felhide Spiritbinder

  3R

  Creature — Minotaur ShamanR

  Copy engine: one card makes copies of a creature — once a turn, or once for each time you pay its cost — and each copy pays off: the creature's enter-the-battlefield effect fires again, or the hasty copy uses its tap ability. Real, repeatable value — every copy has its turn or its price, so it never goes infinite on its own.
• Gray and Adira, Forever Joined

  2U/RU/R

  Legendary Creature — Trill Human OfficerRU

  Copy engine: one card makes copies of a creature — once a turn, or once for each time you pay its cost — and each copy pays off: the creature's enter-the-battlefield effect fires again, or the hasty copy uses its tap ability. Real, repeatable value — every copy has its turn or its price, so it never goes infinite on its own.
• Splinter Twin

  2RR

  Enchantment — AuraR

  Copy engine: one card makes copies of a creature — once a turn, or once for each time you pay its cost — and each copy pays off: the creature's enter-the-battlefield effect fires again, or the hasty copy uses its tap ability. Real, repeatable value — every copy has its turn or its price, so it never goes infinite on its own.
• Sheoldred, Whispering One

  5BB

  Legendary Creature — Phyrexian PraetorB

  Sheoldred, Whispering One returns creatures from the graveyard to the battlefield, re-firing Bilbo, Retired Burglar's enter-the-battlefield effect.
• Springheart Nantuko

  1G

  Enchantment Creature — Insect MonkG

  Springheart Nantuko creates token copies, feeding Bilbo, Retired Burglar's ETB or copy payoff.
• Archivist of Gondor

  2U

  Creature — Human AdvisorU

  Both cards trigger on damage dealt — they fire together.
• Glyph of Reincarnation

  G

  InstantG

  Glyph of Reincarnation returns creatures from the graveyard to the battlefield, re-firing Bilbo, Retired Burglar's enter-the-battlefield effect.
• Virtue of Persistence // Locthwain Scorn

  5BB1B

  Enchantment // Sorcery — AdventureB

  Virtue of Persistence returns creatures from the graveyard to the battlefield, re-firing Bilbo, Retired Burglar's enter-the-battlefield effect.
• Sygg, Wanderwine Wisdom // Sygg, Wanderbrine Shield

  1U

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

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

  3WW

  SorceryW

  Starfall Invocation returns creatures from the graveyard to the battlefield, re-firing Bilbo, Retired Burglar's enter-the-battlefield effect.
• Endless Evil

  2U

  Enchantment — AuraU

  Endless Evil creates token copies, feeding Bilbo, Retired Burglar's ETB or copy payoff.
• Zero Point Ballad

  XB

  SorceryB

  Zero Point Ballad returns creatures from the graveyard to the battlefield, re-firing Bilbo, Retired Burglar's enter-the-battlefield effect.
• Mirko, Obsessive Theorist

  1UB

  Legendary Creature — Vampire DetectiveBU

  Mirko, Obsessive Theorist returns creatures from the graveyard to the battlefield, re-firing Bilbo, Retired Burglar's enter-the-battlefield effect.
• Reanimate

  B

  SorceryB

  Reanimate returns creatures from the graveyard to the battlefield, re-firing Bilbo, Retired Burglar's enter-the-battlefield effect.
• Helping Hand

  W

  SorceryW

  Helping Hand returns creatures from the graveyard to the battlefield, re-firing Bilbo, Retired Burglar's enter-the-battlefield effect.