17 cards where the name includes “riptide”

Bria, Riptide Rogue (Bloomburrow #379)
Griptide (Duel Decks: Jace vs. Vraska #28)
Riptide (The Dark #35)
Riptide Biologist (Onslaught #106)
Riptide Chimera (Journey into Nyx #48)
Riptide Chronologist (Onslaught #107)
Riptide Crab (Battlebond #228)
Riptide Director (Legions #50)
Riptide Entrancer (Onslaught #108)
Riptide Laboratory (Modern Horizons 2 #303)
Riptide Mangler (Legions #51)
Riptide Pilferer (Time Spiral Remastered #83)
Riptide Replicator (Onslaught #309)
Riptide Shapeshifter (Onslaught #109)
Riptide Survivor (Commander 2014 #121)
Riptide Turtle (Theros Beyond Death #61)
Risen Riptide (Zendikar Rising #73)

The message was clear to Sorin—time to search for something else.