10 cards where the card is tagged “cycle-rav-backward-boost”

Boros Fury-Shield (Ravnica: City of Guilds #5)
Court Hussar (Masters 25 #51)
Gruul Scrapper (Guildpact #89)
Ogre Savant (Duel Decks: Izzet vs. Golgari #9)
Plaxmanta (Commander 2015 #100)
Revenant Patriarch (Duel Decks: Sorin vs. Tibalt #16)
Ribbons of Night (Ravnica: Clue Edition #120)
Rolling Spoil (Ravnica: City of Guilds #179)
Seed Spark (Ravnica: City of Guilds #30)
Squealing Devil (Dissension #72)

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