Dual Nature Combos
Bladewing the Risen + Dual Nature
Phantom Steed + Dual Nature
Fiend Hunter + Dual Nature
Felidar Guardian + Dual Nature
Combo result
Infinite ETB. Infinite LTB. Infinite mana of any type produced by a land (or artifact or hasty creature) that enters the battlefield untapped that you control and own. Infinite triggers of ETB or LTB of any nontoken permanents you own and control. Optionally Infinite storm count.
Prerequisites
Dual Nature on the battlefield. Felidar Guardian in hand. At least one mana-producing land (or artifact or hasty creature) that enters the battlefield untapped that you control and own. available.
Faceless Butcher + Dual Nature
Vedalken Mastermind + Intruder Alarm + Dual Nature
Aetherstorm Roc + Aethergeode Miner + Dual Nature
Samwise the Stouthearted + Dual Nature + Phyrexian Altar
Samwise the Stouthearted + Dual Nature + Earthcraft
Samwise the Stouthearted + Dual Nature + Aluren
Molderhulk + Cloudstone Curio + Dual Nature
Kodama of the East Tree + Dual Nature + Aether Channeler
Heidar, Rimewind Master + Intruder Alarm + Dual Nature
Etali, Primal Conqueror // Etali, Primal Sickness + Leashling + Dual Nature
Combo result
Infinite ETB. Infinite LTB. Infinite death triggers. Infinite storm count. Exile each opponent's library. Cast all nonland cards from each opponent's library. Near-infinite magecraft triggers.
Prerequisites
Etali in hand or in the command zone. Leashling in hand. All other permanents on the battlefield. {11}{R}{R} available plus enough mana to pay for commander tax, if applicable.