I probably try and make it work more than I should in singleton due to my love of the card but I have rarely been unhappy with the cards performance
Seedborn Muse and Vedalken Orrery are already annoying to play against because of how powerful they are, and Prophet of Kruphix combines those effects into one card
Aside from that, one of your life drain effects like Sanguine BondSanguine Bond or Gollum, Obsessed StalkerGollum, Obsessed Stalker is good to have since this deck tends to whittle down life totals over time rather than end the game in one big turn

Gallery and List of Learn and Lesson Cards Learn Academic Dispute Arcane Subtraction Cram Session Divide by Zero Dream Strix Enthusiastic Study Eyetwitch Field Trip First Day of Class Gnarled Professor Guiding Voice Hunt for Specimens Igneous Inspiration Overgrown Arch Poet's Quill Pop Quiz Professor of Symbology Retriever Phoenix Rise of Extus Sparring Regimen Study Break Lesson Academic Probation Basic Conjuration Confront the Past Containment Breach Elemental Summoning Environmental Sciences Expanded Anatomy Fractal Summoning Illuminate History Inkling Summoning Introduction to Annihilation Introduction to Prophecy Mascot Exhibition Mercurial Transformation Necrotic Fumes Pest Summoning Reduce to Memory Spirit Summoning Start from Scratch Teachings of the Archaics Best Learn and Lesson Cards Eyetwitch Its worth noting that the mechanic is only played a little outside of some narrow cases in eternal formats since it's already left Standard

Conjure: Conjure creates cards out of thin air as a digital object that acts just like a normal card would
Collective Inferno Collective Inferno is a selective damage-doubler card with convoke, so that should fit go-wide typal decks very well