Confidence:StrongSolidPlausibleTentativeSpeculative

• Helping Hand

  W

  SorceryW

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

  B

  SorceryB

  Unearth puts Riptide Chimera onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Song of Creation

  1GUR

  EnchantmentGRU

  Riptide Chimera bounces a permanent, enabling Song of Creation's recast / spell-cast trigger.
• Baron Helmut Zemo

  BBB

  Legendary Creature — Human Noble VillainB

  Riptide Chimera bounces a permanent, enabling Baron Helmut Zemo's recast / spell-cast trigger.
• Hydro-Man, Fluid Felon

  UU

  Legendary Creature — Elemental VillainU

  Riptide Chimera bounces a permanent, enabling Hydro-Man, Fluid Felon's recast / spell-cast trigger.
• Shanid, Sleepers' Scourge

  1RWB

  Legendary Creature — Human KnightBRW

  Riptide Chimera bounces a permanent, enabling Shanid, Sleepers' Scourge's recast / spell-cast trigger.
• Quintorius Kand

  3RW

  Legendary Planeswalker — QuintoriusRW

  Riptide Chimera bounces a permanent, enabling Quintorius Kand's recast / spell-cast trigger.
• The Circle of Loyalty

  4WW

  Legendary ArtifactW

  Riptide Chimera bounces a permanent, enabling The Circle of Loyalty's recast / spell-cast trigger.
• Jodah, the Unifier

  WUBRG

  Legendary Creature — Human WizardBGRUW

  Riptide Chimera bounces a permanent, enabling Jodah, the Unifier's recast / spell-cast trigger.
• Reanimate

  B

  SorceryB

  Reanimate puts Riptide Chimera onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Kasla, the Broken Halo

  3URW

  Legendary Creature — Angel AllyRUW

  Riptide Chimera bounces a permanent, enabling Kasla, the Broken Halo's recast / spell-cast trigger.
• Lavinia, Foil to Conspiracy

  1W/UW/U

  Legendary Creature — Human DetectiveUW

  Riptide Chimera bounces a permanent, enabling Lavinia, Foil to Conspiracy's recast / spell-cast trigger.
• Runaway Steam-Kin

  1R

  Creature — ElementalR

  Riptide Chimera bounces a permanent, enabling Runaway Steam-Kin's recast / spell-cast trigger.
• Grave Researcher // Reanimate

  2BB

  Creature — Troll Warlock // SorceryB

  Grave Researcher puts Riptide Chimera onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Fire Lord Zuko

  RWB

  Legendary Creature — Human Noble AllyBRW

  Riptide Chimera bounces a permanent, enabling Fire Lord Zuko's recast / spell-cast trigger.
• Malcolm, the Eyes

  UR

  Legendary Creature — Siren PirateRU

  Riptide Chimera bounces a permanent, enabling Malcolm, the Eyes's recast / spell-cast trigger.
• Deathbringer Liege

  2W/BW/BW/B

  Creature — HorrorBW

  Riptide Chimera bounces a permanent, enabling Deathbringer Liege's recast / spell-cast trigger.
• Neerdiv, Devious Diver

  2U

  Legendary Creature — Merfolk RogueU

  Riptide Chimera bounces a permanent, enabling Neerdiv, Devious Diver's recast / spell-cast trigger.
• Can't Stay Away

  WB

  SorceryBW

  Can't Stay Away puts Riptide Chimera onto the battlefield from a graveyard without casting it, so its mana cost is never paid.
• Questing Druid // Seek the Beast

  1G1R

  Creature — Human Druid // Instant — AdventureGR

  Riptide Chimera bounces a permanent, enabling Questing Druid's recast / spell-cast trigger.
• Reki, the History of Kamigawa

  2G

  Legendary Creature — Human ShamanG

  Riptide Chimera bounces a permanent, enabling Reki, the History of Kamigawa's recast / spell-cast trigger.
• Alela, Artful Provocateur

  1WUB

  Legendary Creature — Faerie WarlockBUW

  Riptide Chimera bounces a permanent, enabling Alela, Artful Provocateur's recast / spell-cast trigger.
• Hallowed Haunting

  2WW

  EnchantmentW

  Riptide Chimera bounces a permanent, enabling Hallowed Haunting's recast / spell-cast trigger.
• Moderation

  1WU

  EnchantmentUW

  Riptide Chimera bounces a permanent, enabling Moderation's recast / spell-cast trigger.
• Ramos, Dragon Engine

  6

  Legendary Artifact Creature — DragonBGRUW

  Riptide Chimera bounces a permanent, enabling Ramos, Dragon Engine's recast / spell-cast trigger.