Confidence:StrongSolidPlausibleTentativeSpeculative

• Callidus Assassin

  4UB

  Creature — Human Shapeshifter AssassinBU

  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.).
• 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.
• 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.
• Kiki-Jiki, Mirror Breaker

  2RRR

  Legendary Creature — Goblin 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.
• Saheeli, the Sun's Brilliance

  UR

  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.
• The Jolly Balloon Man

  1RW

  Legendary Creature — Human ClownRW

  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.
• Tempestra, Dame of Games

  1R

  Legendary Creature — Elemental IllusionR

  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.
• Dino DNA

  1

  ArtifactC

  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.
• 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.
• Feldon of the Third Path

  1RR

  Legendary Creature — Human ArtificerR

  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.
• Orthion, Hero of Lavabrink

  3R

  Legendary Creature — Human SoldierR

  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.
• Jaxis, the Troublemaker

  3R

  Legendary Creature — Human WarriorR

  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.
• Ajani, Nacatl Pariah // Ajani, Nacatl Avenger

  1W

  Legendary Creature — Cat Warrior // Legendary Planeswalker — AjaniRW

  Biblioplex Kraken bounces a permanent, enabling Ajani, Nacatl Pariah's recast / spell-cast trigger.
• Agrus Kos, Spirit of Justice

  2RW

  Legendary Creature — Spirit DetectiveRW

  Biblioplex Kraken bounces a permanent, enabling Agrus Kos, Spirit of Justice's recast / spell-cast trigger.
• Phlage, Titan of Fire's Fury

  1RW

  Legendary Creature — Elder GiantRW

  Biblioplex Kraken bounces a permanent, enabling Phlage, Titan of Fire's Fury's recast / spell-cast trigger.
• Odric, Blood-Cursed

  1RW

  Legendary Creature — Vampire SoldierRW

  Biblioplex Kraken bounces a permanent, enabling Odric, Blood-Cursed's recast / spell-cast trigger.
• Emeritus of Truce // Swords to Plowshares

  1WWW

  Creature — Cat Cleric // InstantW

  Biblioplex Kraken bounces a permanent, enabling Emeritus of Truce's recast / spell-cast trigger.
• Season of Growth

  1G

  EnchantmentG

  Both cards trigger when a creature enters the battlefield — they fire together.
• Sheoldred, Whispering One

  5BB

  Legendary Creature — Phyrexian PraetorB

  Sheoldred, Whispering One returns creatures from the graveyard to the battlefield, re-firing Biblioplex Kraken's enter-the-battlefield effect.
• Serene Sleuth

  1W

  Creature — Human DetectiveW

  Biblioplex Kraken bounces a permanent, enabling Serene Sleuth's recast / spell-cast trigger.
• Springheart Nantuko

  1G

  Enchantment Creature — Insect MonkG

  Springheart Nantuko creates token copies, feeding Biblioplex Kraken's ETB or copy payoff.
• Wildfire Devils

  3R

  Creature — DevilR

  Biblioplex Kraken bounces a permanent, enabling Wildfire Devils's recast / spell-cast trigger.