Raffine is unique from other Sphinxes in that it rewards you for going wide, however, you really only need two or three successful attackers for the connive triggers to quickly get out of hand

Alchemist's Gambit All in Good Time Alrund's Epiphany Avatar Kuruk Capture of Jingzhou Chance for Glory Emrakul, the Aeons Torn Expropriate Final Fortune Frenetic Efreet Avatar Gonti's Aether Heart Ichormoon Gauntlet Kang the Conqueror Last Chance Lighthouse Chronologist Lost Isle Calling Magistrate's Scepter Magosi, the Waterveil Medomai the Ageless Mu Yanling Nexus of Fate Notorious Throng Otaria Part the Waterveil Perch Protection Phone a Friend Plea for Power Ral Zarek Regenerations Restored Rise of the Eldrazi Sage of Hours Savor the Moment Search the City Second Chance Seedtime Stitch in Time Teferi, Timebender Temporal Extortion Temporal Manipulation Temporal Mastery Temporal Trespass Time Bends to My Will Time Sidewalk (playtest) Time Sieve Time Vault Time Walk Timestream Navigator Twice Upon a Time Ugin's Nexus Ultimecia, Omnipotent Wanderwine Prophets Warrior's Oath Wormfang Manta
pendulum monsters can be used as spells, becoming "scales" of a certain number
Grab Felidar Guardian and use it to blink the Guide, who re-enters and reanimates something else, for a simple example
These cards tend to be less valuable thanks to their print numbers, but occasionally they increase in value if the promotional decks they feature in go out of print or become fan favorites