Confidence:StrongSolidPlausibleTentativeSpeculative

• Helping Hand

  W

  SorceryW

  Helping Hand puts Greasefang, Okiba Boss onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Unearth

  B

  SorceryB

  Unearth puts Greasefang, Okiba Boss onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Reanimate

  B

  SorceryB

  Reanimate puts Greasefang, Okiba Boss 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 Greasefang, Okiba Boss onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Can't Stay Away

  WB

  SorceryBW

  Can't Stay Away puts Greasefang, Okiba Boss onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Priest of Fell Rites

  WB

  Creature — Human WarlockBW

  Priest of Fell Rites puts Greasefang, Okiba Boss onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Resistance Is Futile

  1B

  SorceryB

  Resistance Is Futile puts Greasefang, Okiba Boss onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Animate Dead

  1B

  Enchantment — AuraB

  Animate Dead puts Greasefang, Okiba Boss onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Exhume

  1B

  SorceryB

  Exhume puts Greasefang, Okiba Boss onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Return Triumphant

  1W

  SorceryW

  Return Triumphant puts Greasefang, Okiba Boss onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Life // Death

  G1B

  Sorcery // SorceryBG

  Life puts Greasefang, Okiba Boss onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Dance of the Dead

  1B

  Enchantment — AuraB

  Dance of the Dead puts Greasefang, Okiba Boss onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Recommission

  1W

  SorceryW

  Recommission puts Greasefang, Okiba Boss onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Call a Surprise Witness

  1W

  SorceryW

  Call a Surprise Witness puts Greasefang, Okiba Boss onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Soul Exchange

  BB

  SorceryB

  Soul Exchange puts Greasefang, Okiba Boss onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Isu the Abominable

  3UU

  Legendary Snow Creature — YetiGUW

  Greasefang, Okiba Boss returns creatures from the graveyard to the battlefield, re-firing Isu the Abominable's enter-the-battlefield effect.
• Annie Joins Up

  1RGW

  Legendary EnchantmentGRW

  Annie Joins Up makes Greasefang, Okiba Boss'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 Greasefang, Okiba Boss's triggered ability trigger an additional time — each time it fires, you get it twice. Value, not a loop.
• Mirror Room // Fractured Realm

  2U5UU

  Enchantment — Room // Enchantment — RoomU

  Mirror Room makes Greasefang, Okiba Boss's triggered ability trigger an additional time — each time it fires, you get it twice. Value, not a loop.
• Skysovereign, Consul Flagship

  5

  Legendary Artifact — VehicleC

  Greasefang, Okiba Boss returns creatures from the graveyard to the battlefield, re-firing Skysovereign, Consul Flagship's enter-the-battlefield effect.
• Esika's Chariot

  3G

  Legendary Artifact — VehicleG

  Greasefang, Okiba Boss returns creatures from the graveyard to the battlefield, re-firing Esika's Chariot's enter-the-battlefield effect.
• S.H.I.E.L.D. Flying Car

  2U

  Artifact — VehicleU

  Greasefang, Okiba Boss returns creatures from the graveyard to the battlefield, re-firing S.H.I.E.L.D. Flying Car's enter-the-battlefield effect.
• Thunderhawk Gunship

  6

  Artifact — VehicleC

  Greasefang, Okiba Boss returns creatures from the graveyard to the battlefield, re-firing Thunderhawk Gunship's enter-the-battlefield effect.
• Rat King, Verminister

  1B

  Legendary Creature — Rat AvatarB

  Rat King, Verminister puts Greasefang, Okiba Boss onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Royal Talon Fighter Jet

  XWW

  Artifact — VehicleW

  Greasefang, Okiba Boss returns creatures from the graveyard to the battlefield, re-firing Royal Talon Fighter Jet's enter-the-battlefield effect.