Llanowar Druid Combos
Nim Deathmantle + Llanowar Druid + Akroma's Memorial
Nim Deathmantle + Llanowar Druid + Anger
Nim Deathmantle + Llanowar Druid + Concordant Crossroads
Nim Deathmantle + Llanowar Druid + Fervor
Nim Deathmantle + Llanowar Druid + Lightning Greaves
Nim Deathmantle + Llanowar Druid + Mass Hysteria
Nim Deathmantle + Llanowar Druid + Thousand-Year Elixir
Nim Deathmantle + Llanowar Druid + Urabrask the Hidden
Othelm, Sigardian Outcast + Llanowar Druid + Ashaya, Soul of the Wild
Combo result
Infinite green mana. Infinite ETB. Infinite LTB. Infinite death triggers. Infinite sacrifice triggers. Infinite untap of all creatures. Infinite untap of all Forests.
Prerequisites
All permanents on the battlefield. Lightning Greaves attached to Llanowar Druid. Othelm does not have summoning sickness. You control at least two other nontoken creatures.