All 42 Combos with Radiant Solar

Sefris of the Hidden Ways + Radiant Solar + Sun Titan + Karmic Guide + Viscera Seer

Infinite Draw: Infinite card draw, Infinite draw triggers, Near-infinite +1/+1 counters, Near-infinite ETB, Near-infinite LTB, Near-infinite Treasure tokens, Near-infinite colored mana, Near-infinite creature tokens, Near-infinite death triggers, Near-infinite lifegain, Near-infinite lifegain triggers, Near-infinite lifeloss, Near-infinite lifeloss for all players, Near-infinite sacrifice triggers

Activate Viscera Seer by sacrificing Karmic Guide. Sefris' first ability triggers, causing you to venture into the final room of a dungeon, causing you to complete the dungeon. Sefris' second ability triggers. Holding priority, activate Viscera Seer twice by sacrificing Sefris and Sun Titan. Resolve the Sefris trigger, returning Karmic Guide from your graveyard to the battlefield. When Karmic Guide enters, it and Radiant Solar trigger. Resolve the Radiant Solar trigger, venturing into Lost Mine of Phandelver and into the Cave Entrace room, causing you to scry 1. Resolve the Karmic Guide trigger, returning Sun Titan from your graveyard to the battlefield. When Sun Titan enters, it and Radiant Solar trigger. Resolve the Radiant Solar trigger, venturing into Lost Mine of Phandelver and into either available room. Resolve the Sun Titan trigger, returning Sefris from your graveyard to the battlefield. When Sefris enters, Radiant Solar triggers, venturing into Lost Mine of Phandelver and into any available room. Resolve the Viscera Seer ability from step 1. Repeat.