Prosperous Innkeeper Combos
Heliod, Sun-Crowned + Herd Baloth + Prosperous Innkeeper
Heliod, Sun-Crowned + Scurry Oak + Prosperous Innkeeper
Lurking Roper + Elemental Mastery + Prosperous Innkeeper
Lurking Roper + Presence of Gond + Prosperous Innkeeper
Lurking Roper + Splinter Twin + Prosperous Innkeeper
Nim Deathmantle + Ashnod's Altar + Prosperous Innkeeper
Yawgmoth, Thran Physician + Scurry Oak + Prosperous Innkeeper
Combo result
Infinite card draw. Infinite draw triggers. Near-infinite ETB. Near-infinite LTB. Near-infinite death triggers. Near-infinite sacrifice triggers. Near-infinite lifegain triggers.
Prerequisites
Yawgmoth in hand. All other permanents on the battlefield. You control at least two additional creatures. Scurry Oak has no +1/+1 counters on it. Your life total is at least two. {B}{B} available.