Oath deck, by taniguchi

Lion's Eye Diamond + Underworld Breach + Brain Freeze (Win the game Infinite mill Combo)

Prerequisites

- Underworld Breach, Lion's Eye Diamond(LED), and Jace, Wielder of Mysteries on the battlefield. Brain Freeze in hand or graveyard. Graveyard contains at least 3 other cards.

Steps

• Crack LED for :manau::manau::manau:, discarding your hand
• Escape Brain Freeze without exiling LED targeting yourself, milling 3 cards
• Escape LED
• Repeat until your mill your entire deck, winning the game with Jace, Wielder of Mysteries' +1 ability

Lion's Eye Diamond + Underworld Breach + Brain Freeze (Win the game Infinite mill Combo)

Prerequisites

- Underworld Breach, Lion's Eye Diamond(LED), and Laboratory Maniac on the battlefield. Brain Freeze in hand or graveyard. Graveyard contains at least 3 other cards. Deck contains at least 1 way to draw cards.

Steps

• Crack LED for :manau::manau::manau:, discarding your hand
• Escape Brain Freeze without exiling LED targeting yourself, milling 3 cards
• Escape LED
• Repeat until your mill your entire deck
• Cast a draw spell and win the game with Laboratory Maniac

Lion's Eye Diamond + Underworld Breach + Brain Freeze (Win the game Infinite mill Combo)

Prerequisites

- Underworld Breach and Lion's Eye Diamond(LED) on the battlefield. Brain Freeze in hand or graveyard. Thassa's Oracle in library. Graveyard contains at least 3 other cards.

Steps

• Crack LED for :manau::manau::manau:, discarding your hand
• Escape Brain Freeze targeting yourself without exiling LED or Oracle, milling 3 cards
• Escape LED, once again not exiling Thassa's Oracle
• Repeat until Thassa's Oracle is in your graveyard and your deck is small enough to win with its trigger
• Escape Thassa's Oracle and win

Underworld Breach + Lion's Eye Diamond + Brain Freeze (Near-infinite mill (dependent on cards in graveyard) High storm count Combo)

Prerequisites

- Underworld Breach and Lion's Eye Diamond on the battlefield. Brain Freeze in hand or in graveyard. At least 6 other cards in graveyard, or 3 other cards and a starting storm count of at least 1.

Steps

• Sacrifice Lion's Eye Diamond for UUU
• Escape Brain Freeze not exiling Lion's Eye Diamond targeting yourself
• Escape Lion's Eye Diamond without exiling Brain Freeze
• Sacrifice Lion's Eye Diamond for UUU, then escape Brain Freeze targeting yourself not exiling Lion's Eye Diamond
• Once you have a sufficient storm count and extra mana, target your opponents with Brain Freeze

Underworld Breach + Lion's Eye Diamond + Brain Freeze (Near-infinite mill (dependent on cards in graveyard) High storm count Combo)

Prerequisites

- Underworld Breach on the battlefield. Gamble in hand. Lion's Eye Diamond and Brain Freeze in deck. :manar::manar: available. 3-6 fodder cards in hand+graveyard depending on whether Lion's Eye Diamond gets discarded or not.

Steps

• Cast Gamble, searching for Lion's Eye Diamond
• If Lion's Eye Diamond was discarded, escape it
• If Lion's Eye Diamond was not discarded, cast it
• Sacrifice Lion's Eye Diamond for UUU
• Escape Gamble for Brain Freeze
• Escape Brain Freeze, targeting yourself
• Escape Lion's Eye Diamond and sacrifice it for UUU
• Repeatedly escape Lion's Eye Diamond and Brain Freeze until you have enough mana, cards in graveyard and storm count to mill out your opponents with Brain Freeze