Confidence:StrongSolidPlausibleTentativeSpeculative

• Oriq Loremage

  2BB

  Creature — Human WarlockB

  Oriq Loremage puts a creature card from your library straight into your graveyard, and The Underworld Cookbook returns it from there — onto the battlefield or to your hand.
• Buried Alive

  2B

  SorceryB

  Buried Alive puts a creature card from your library straight into your graveyard, and The Underworld Cookbook returns it from there — onto the battlefield or to your hand.
• Entomb

  B

  InstantB

  Entomb puts a creature card from your library straight into your graveyard, and The Underworld Cookbook returns it from there — onto the battlefield or to your hand.
• Cynical Loner

  1B

  Creature — Human SurvivorB

  Cynical Loner puts a creature card from your library straight into your graveyard, and The Underworld Cookbook returns it from there — onto the battlefield or to your hand.
• Intellectual Offering

  4U

  InstantU

  Intellectual Offering untaps all (or many) permanents, refreshing The Underworld Cookbook's tap activation.
• Final Parting

  3BB

  SorceryB

  Final Parting puts a creature card from your library straight into your graveyard, and The Underworld Cookbook returns it from there — onto the battlefield or to your hand.
• Unstoppable Plan

  2U

  EnchantmentU

  Unstoppable Plan untaps all (or many) permanents, refreshing The Underworld Cookbook's tap activation.
• Unmarked Grave

  1B

  SorceryB

  Unmarked Grave puts a creature card from your library straight into your graveyard, and The Underworld Cookbook returns it from there — onto the battlefield or to your hand.
• Gravebreaker Lamia

  4B

  Enchantment Creature — Snake LamiaB

  Gravebreaker Lamia puts a creature card from your library straight into your graveyard, and The Underworld Cookbook returns it from there — onto the battlefield or to your hand.
• Vile Entomber

  2BB

  Creature — Zombie WarlockB

  Vile Entomber puts a creature card from your library straight into your graveyard, and The Underworld Cookbook returns it from there — onto the battlefield or to your hand.
• Jarad's Orders

  2BG

  SorceryBG

  Jarad's Orders puts a creature card from your library straight into your graveyard, and The Underworld Cookbook returns it from there — onto the battlefield or to your hand.
• Unwinding Clock

  4

  ArtifactC

  Unwinding Clock untaps all (or many) permanents, refreshing The Underworld Cookbook's tap activation.
• Seedborn Muse

  3GG

  Creature — SpiritG

  Seedborn Muse untaps all (or many) permanents, refreshing The Underworld Cookbook's tap activation.
• Dina's Guidance

  1BG

  InstantBG

  Dina's Guidance puts a creature card from your library straight into your graveyard, and The Underworld Cookbook returns it from there — onto the battlefield or to your hand.
• Lively Dirge

  1B

  SorceryB

  Lively Dirge puts a creature card from your library straight into your graveyard, and The Underworld Cookbook returns it from there — onto the battlefield or to your hand.
• Corpse Connoisseur

  4B

  Creature — Zombie WizardB

  Corpse Connoisseur puts a creature card from your library straight into your graveyard, and The Underworld Cookbook returns it from there — onto the battlefield or to your hand.
• Scion of the Ur-Dragon

  WUBRG

  Legendary Creature — Dragon AvatarBGRUW

  Scion of the Ur-Dragon puts a creature card from your library straight into your graveyard, and The Underworld Cookbook returns it from there — onto the battlefield or to your hand.
• Paradox Engine

  5

  Legendary ArtifactC

  Paradox Engine untaps all (or many) permanents, refreshing The Underworld Cookbook's tap activation.
• Mythos of Brokkos

  2GG

  SorceryBGU

  Mythos of Brokkos puts a creature card from your library straight into your graveyard, and The Underworld Cookbook returns it from there — onto the battlefield or to your hand.
• Iname, Death Aspect

  4BB

  Legendary Creature — SpiritB

  Iname, Death Aspect puts a creature card from your library straight into your graveyard, and The Underworld Cookbook returns it from there — onto the battlefield or to your hand.
• Dramatic Reversal

  1U

  InstantU

  Dramatic Reversal untaps all (or many) permanents, refreshing The Underworld Cookbook's tap activation.
• Fiery Gambit

  2R

  SorceryR

  Fiery Gambit untaps lands, fueling The Underworld Cookbook's mana-hungry effect.
• Innocuous Researcher

  3G

  Creature — Centaur DetectiveG

  Innocuous Researcher untaps lands, fueling The Underworld Cookbook's mana-hungry effect.
• Time Spiral

  4UU

  SorceryU

  Time Spiral untaps lands, fueling The Underworld Cookbook's mana-hungry effect.
• Nissa, Vastwood Seer // Nissa, Sage Animist

  2G

  Legendary Creature — Elf Scout // Legendary Planeswalker — NissaG

  Nissa, Vastwood Seer untaps lands, fueling The Underworld Cookbook's mana-hungry effect.