Confidence:StrongSolidPlausibleTentativeSpeculative

• Gitaxian Probe

  U/P

  SorceryU

  Gitaxian Probe is a free spell, so Erratic Cyclops's cast trigger fires for nothing.
• Slaughter Pact

  0

  InstantB

  Slaughter Pact is a free spell, so Erratic Cyclops's cast trigger fires for nothing.
• Mental Misstep

  U/P

  InstantU

  Mental Misstep is a free spell, so Erratic Cyclops's cast trigger fires for nothing.
• Mutagenic Growth

  G/P

  InstantG

  Mutagenic Growth is a free spell, so Erratic Cyclops's cast trigger fires for nothing.
• Surgical Extraction

  B/P

  InstantB

  Surgical Extraction is a free spell, so Erratic Cyclops's cast trigger fires for nothing.
• Pact of Negation

  0

  InstantU

  Pact of Negation is a free spell, so Erratic Cyclops's cast trigger fires for nothing.
• Gut Shot

  R/P

  InstantR

  Gut Shot is a free spell, so Erratic Cyclops's cast trigger fires for nothing.
• Pact of the Titan

  0

  InstantR

  Pact of the Titan is a free spell, so Erratic Cyclops's cast trigger fires for nothing.
• Noxious Revival

  G/P

  InstantG

  Noxious Revival is a free spell, so Erratic Cyclops's cast trigger fires for nothing.
• Summoner's Pact

  0

  InstantG

  Summoner's Pact is a free spell, so Erratic Cyclops's cast trigger fires for nothing.
• Marrow Shards

  W/P

  InstantW

  Marrow Shards is a free spell, so Erratic Cyclops's cast trigger fires for nothing.
• Intervention Pact

  0

  InstantW

  Intervention Pact is a free spell, so Erratic Cyclops's cast trigger fires for nothing.
• Arcanis the Omnipotent

  3UUU

  Legendary Creature — WizardU

  Arcanis the Omnipotent bounces a permanent, enabling Erratic Cyclops's recast / spell-cast trigger.
• Endless Evil

  2U

  Enchantment — AuraU

  Endless Evil bounces a permanent, enabling Erratic Cyclops's recast / spell-cast trigger.
• Reanimate

  B

  SorceryB

  Reanimate puts Erratic Cyclops onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Mistbreath Elder

  G

  Creature — Frog WarriorG

  Mistbreath Elder bounces a permanent, enabling Erratic Cyclops's recast / spell-cast trigger.
• Grave Researcher // Reanimate

  2BB

  Creature — Troll Warlock // SorceryB

  Grave Researcher puts Erratic Cyclops onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Kaya the Inexorable

  3WB

  Legendary Planeswalker — KayaBW

  Kaya the Inexorable bounces a permanent, enabling Erratic Cyclops's recast / spell-cast trigger.
• Bob, Reluctant HYDRA Agent

  1B

  Legendary Creature — Human Coward VillainB

  Bob, Reluctant HYDRA Agent bounces a permanent, enabling Erratic Cyclops's recast / spell-cast trigger.
• Recross the Paths

  2G

  SorceryG

  Recross the Paths bounces a permanent, enabling Erratic Cyclops's recast / spell-cast trigger.
• Reinforced Ronin

  R

  Artifact Creature — Human SamuraiR

  Reinforced Ronin bounces a permanent, enabling Erratic Cyclops's recast / spell-cast trigger.
• Fleeting Effigy

  R

  Creature — ElementalR

  Fleeting Effigy bounces a permanent, enabling Erratic Cyclops's recast / spell-cast trigger.
• Sefris of the Hidden Ways

  WUB

  Legendary Creature — Human WizardBUW

  Sefris of the Hidden Ways puts Erratic Cyclops onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Recurring Nightmare

  2B

  EnchantmentB

  Recurring Nightmare puts Erratic Cyclops 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 Erratic Cyclops onto the battlefield from a graveyard without casting it, so its mana cost is never paid.