Brain Freeze Combos
Death Match + Dockside Extortionist + Brain Freeze
Combo result
Infinite self-mill. Near-infinite Treasure tokens. Near-infinite colored mana. Near-infinite ETB. Near-infinite LTB. Near-infinite death triggers. Near-infinite mill. Near-infinite storm count.
Prerequisites
Dockside Extortionist and Brain Freeze in hand or in your graveyard. All other permanents on the battlefield. If Dockside Extortionist and/or Brain Freeze are in your graveyard, you have an additional three cards in your graveyard for each one. Opponents control at least five artifacts and/or enchantments. {R} available.
Lion's Eye Diamond + Underworld Breach + Brain Freeze
Mizzix of the Izmagnus + Underworld Breach + Brain Freeze
Morophon, the Boundless + Shrieking Drake + Brain Freeze
Underworld Breach + Frantic Search + Brain Freeze
Combo result
Near-infinite blue mana. Near-infinite looting. Near-infinite draw triggers. Near-infinite self-discard triggers. Near-infinite mill. Near-infinite self-mill. Near-infinite storm count. Near-infinite magecraft triggers.
Prerequisites
Underworld Breach on the battlefield. High Tide in hand. All other cards in your graveyard. You have at least three other cards in your graveyard. You control at least three Islands. {U} available.