Wrenn's Resolve + Reckless Impulse + Light Up the Stage The trifecta of Wrenn's Resolve, Reckless Impulse, and Light Up the Stage should be in virtually every cast-from-exile deck, for these are the most efficient draw spells in the archetype
Akroan Horse Baffling End Captive Audience Clackbridge Troll Daryl, Hunter of Walkers Dowsing Dagger Eiganjo Uprising Forbidden Orchard Generous Plunderer Hungry Lynx Hunted Bonebrute Hunted Dragon Hunted Horror Hunted Lammasu Hunted Phantasm Hunted Troll Ingenious Mastery Life of the Party Overencumbered Ox Drover Phantasmal Sphere Phelddagrif Pursued Whale Questing Phelddagrif Rasputin, the Oneiromancer Slaughter Specialist The Sentry, Golden Guardian Tribute to Horobi Vazi, Keen Negotiator Wanted Scoundrels Wedding Ring
Draw two cards and create two Treasure tokens
And, on top of all of this, it doesn't require any other card to function, as it will also draw you the permanent you need for the second part of its trigger
But it's only playable as a one-off in Vintage (and formats that follow the Vintage ban-list, like Canadian Highlander), so we're giving the spot to Gaea's Cradle