Win Cons / infinite combos
Dualcaster Mage + Twinflame (infinite creature tokens; magecraft triggers): Both cards must be in hand. First cast Twinflame, then hold prio, cast Dualcaster Mage, thirdly with Dualcaster Mage entering the battlefield, copy Twinflame. Then resolve the Copy of Twinflame, creating a token copy of Dualcaster Mage. Repeat from step 3.
Stella Lee + Twisted Fealty (infinite lifeless; magecraft triggers): Stella must be on the battlefield (without summoning sickness), Twisted Fealty in hand, and you must have cast at least two spells in the respective turn. Mana: 3 (1 red). Cast Twisted Fealty, targeting any creature(s), then holding prio, activate Stella by tapping it, copying Twisted Fealty and choosing Stella both times as the target of the copy. Thirdly, resolve the copy of Twisted Fealty, untapping Stella creating a Wicked Role token attached to Stella. Put all other Wicked Role tokens (already attached to Stella) into graveyard (state based action). Repeat from step 2.
Underworld Breach + Lion's Eye Diamond + Brain Freeze (infinite self-mill; near-infinite coloured mana, magecraft triggers, mill and storm count): Underworld Breach and Lion's Eye Diamond must be on the battlefield, Brain Freeze and at least six additional cards must be in the graveyard. First, activate Lion's Eye by discarding your hand and sac it, adding three blue mana. Then cast Lion's Eye from the grave for its escape cost by exiling three besides Brain Freeze from grave. Cast Brain Freeze from grave for its escape cost (1+blue) and exile three cards from your grave. This leads to Brain Freeze's storm ability to trigger, through which creates at least one copy of Brain Freeze targeting yourself and any remaining copies targeting an opponent. Then resolve each Brain Freeze, causing yourself to mill six cards, and if applicable, an opponent to mill three cards for each Brain Freeze remaining. The repeat.
Side-Boarded:
Storm-Kiln Artist + Thousand-Year Storm + Narset's Reversal (infinite coloured mana, copies of any instant and/or sorceries on the stack, magecraft triggers, infinite storm count, treasure tokens and infinity powerful Storm-Klin Artist): Storm-Kiln and Thousand-Year must be on the battlefield. You have another instant and/or sorcery card in hand (which can be cast using X or less colored mana, where X is equal to four plus twice the number of instants and sorceries you've cast this turn. You need enough mana to cast the additional instant or sorcery, plus an additional mana needed (blue) if you have not cast an instant or sorcery this turn). First, cast any other instant or sorcery spell by paying its mana cost (1), leading Storm-Kiln to trigger, as well as Thousand-Year if you've cast another instant and/or sorcery spell this turn (2). Then resolve the Storm-Kiln trigger, creating a Treasure token (3) and the Thousand-Year trigger, if applicable, copying the spell at least once (4). Storm-Kiln triggers for each copy made this way, creating that many Treasures (5). Resolve each copy of the instant or sorcery from step 1 (6). Then, holding prio, activate two Treasures (tapp and sac), as to add 2blue mana (7). Cast Narset (2blue mana), targeting the spell cast in step 1 (8). Thousand-Year and Storm-Kiln trigger (9). Resolve the Storm-Kiln trigger, creating a Treasure (10). Subsequently, resolve the Thousand-Year trigger, creating at least one copy of Narset, with each of those copies targeting the original Narset (11). Storm-Kiln triggers for each of those copies, creating that many Treasures (12). Afterwards resolve the first copy of Narset, copying Narset with the copy targeting the spell cast in step 1., the return the original Narset to your hand (13). Following this, all remaining Narset copies made in step 11 fizzle due to them not having a legal target (14). Storm-Kiln triggers, creating a Treasure (15). Resolve the Narset copy from step 13, copying the spell it is targeting and returning the original spell (from step 1) to your hand (16). Storm-Kiln triggers, creating a Treasure (17). Then resolve the copy of the spell (see step 16) (18). Activate any number of Treasures (tap and sac), adding enough mana to cast the additional instant or sorcery (19). Repeat (20). Once you have infinite mana, you may repeat this combo targeting any other instant and/or sorcery card in your hand and/or on the stack.
Primal Amulet/Wellspring + Frantic Search + Narset's Reversal (infinite draw triggers and looting; near-infinite magecraft triggers, mana and storm-count): Primal must be on the battlefield, the other two must be in hand. You need to control two additional lands that can tap to produce at least (1+blue). Mana required: 2+blue. First active Primal Wellspring and both additional lands, adding 1+2blue creating a delayed trigger ability (1). Then cast Frantic Search (2). Wellspring's ability triggers, copying Frantic Search (3). Resolve the copy of Frantic Search, looting twice and untagging Wellspring and the two other lands (4). Active Wellspring and the two lands, creating another delayed triggered ability (5). Now cast Narset (2blue) targeting Frantic Search (6). Wellspring's ability triggers, creating a copy of Narset targeting the original Narset (7). Resolve the copy of Narset, copying the original Narset and returning the original Narset to your hand (8). Resolve the new copy of Narset, creating a copy of Frantic Search and returning the original Frantic Search to your hand (9). Resolve the copy of Frantic Search, looting twice and untagging Wellspring and two other lands (10). Repeat.
Mana Geyser + Reiterate (infinite magecraft trigger, red mana and storm count): Both spells must be in hand, opponents control at least seven tapped lands, mana required: 7+4red. First, cast Mana Geyser (3+2red), then holding prio, cast Reiterate with buyback (4+2red), creating a copy of Mana Geyser and returning Reiterate to your hand. Resolve the copy of Mana Geyser, adding at least seven red. Repeat from step 2.
Fury Storm + Ral, Storm Conduit (infinite damage, magecraft triggers): Fury Storm must be in hand, Ral must be on the battleflied. The commander needs to have been cast from the command zone this game. An additional instant or sorcery in hand with the mana to cast it, or an unresolved instant or sorcery spell of an opponent. Mana required: 2+2red. First, cast your additional instant/sorcery spell, or wait for an opponent to cast one (1). Then Ral triggers, dealing one damage (2). Thirdly, cast Fury Storm targeting the instant or sorcery spell (3). This causes Ral to trigger again, dealing one damage (4). Fury Storm then triggers, copying itself for each time you have cast your commander from the command zone this game, choosing the original copy of Fury Storm as the target (5). Ral triggers again, dealing one damage for each copy (6). Resolve a Fury Storm copy, copying Fury Storm and choosing the original Fury Storm as the target (7). Ran triggers again, dealing one damage (8). Repeat from step 7.
