Nightmare Combos
Ashnod's Altar + Eternal Scourge + Nightmare Shepherd
Bone Miser + Nightmare Void + Skirge Familiar
Chainer, Nightmare Adept + Coretapper + Magistrate's Scepter
Chains of Mephistopheles + Bone Miser + Nightmare Void
Dockside Extortionist + Recurring Nightmare + Mayhem Devil
Eternal Scourge + Nightmare Shepherd + Ashnod's Altar
Recurring Nightmare + Phyrexian Altar + Deep Forest Hermit
Recurring Nightmare + Phyrexian Altar + Deranged Hermit
Recurring Nightmare + Phyrexian Altar + Hornet Queen
Recurring Nightmare + Phyrexian Altar + Myr Battlesphere
Sidisi, Undead Vizier + Beacon of Tomorrows + Chainer, Nightmare Adept
Sidisi, Undead Vizier + Nexus of Fate + Chainer, Nightmare Adept
Unstable Shapeshifter + Chainer, Nightmare Adept + Infinite Reflection
Combo result
Infinite looting. Infinite draw triggers. Near-infinite self-discard triggers. Near-infinite ETB. Near-infinite LTB. Near-infinite death triggers. Near-infinite storm count.
Prerequisites
Liliana and Infinite Reflection on the battlefield. Unstable Shapeshifter on the battlefield as a copy of Chainer. Infinite Reflection attached to Unstable Shapeshifter. Any creature card with mana value zero in graveyard.