Uro, Titan of Nature's Wrath Combos
Uro, Titan of Nature's Wrath + Dryad of the Ilysian Grove + Emeria Shepherd
Uro, Titan of Nature's Wrath + Food Chain + Eternal Scourge
Uro, Titan of Nature's Wrath + Food Chain + Misthollow Griffin
Uro, Titan of Nature's Wrath + Gwenna, Eyes of Gaea + Myth Unbound
Combo result
Infinite card draw. Infinite draw triggers. Near-infinite colorless mana. Near-infinite +1/+1 counters on Gwenna. Near-infinite ETB. Near-infinite LTB. Near-infinite death triggers. Near-infinite sacrifice triggers. Near-infinite lifegain. Near-infinite lifegain triggers. Near-infinite storm count. Near-infinite landfall triggers. Near-infinite commander casts. Pull all lands from your hand and library onto the battlefield.
Prerequisites
Uro in the command zone. All other permanents on the battlefield. Gwenna does not have summoning sickness. Estrid's Invocation on the battlefield as a copy of Myth Unbound. available.