Substitutions / 'proxies':
Mana Drain // Counterspell
Rebuild // By Force

To change (11-14):
Rakdos Signet // Bonus Round
Izzet Signet // Flusterstorm

+ Rite of Flame?

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Basic Doomsday Pile:

Hand/board after resolving Doomsday: Cantrip + 2 Islands + {UU}

Pile:
0. Opener
1. Gush
2. Lion's Eye Diamond
3. Gitaxian Probe
4. Yawgmoth's Will
5. Lab. Maniac

Steps:
a. Open into Gush using {U}
b. Gush into LED + Probe
c. LED
d. Probe + crack LED for {BBB}
e. Yawg. Will using {BBB}
f. LED from graveyard + crack for {UUU}
g. Probe from graveyard into Lab. Maniac
h. Lab. Maniac using {UUU}
i. Cantrip for {U} & win.

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Protection piles:

0. Preordain (1)
1. Gush (2)
2. Pact of Negation (0)
3. Night's Whisper (2)
4. Gitaxian Probe (1)
5. Laboratory Maniac (0)
Cost: {U} (Opener) + {1B} (Whisper) + {2U} (LabMan) + 4 Life (Whisper + Probe) + 2 Islands (Gush)
      = {3 UU B} + 2 Life + 2 Islands
Preordain -> Gush -> Pact + Whisper -> Probe + LabMan -> LabMan -> Probe

0. Preordain (1)
1. Gush (2)
2. Pact of Negation (0)
3. Frantic Search (2)
4. Gitaxian Probe (1)
5. Laboratory Maniac (0)
Cost: Opener ({U})+ 2 Life + {2U} + 2 Islands + 2 Cards to Discard
      = {2 UU} + 2 Life + 2 Islands + 2 Cards
Preordain -> Gush -> Pact + Search -> Probe + LabMan; discard 2 others -> LabMan -> Probe with Pact of Negation

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Graveyard hate pile:

0. Preordain
1. Gush (2)
2. Lion's Eye Diamond (0)
3. Night's Whisper (2)
4. Laboratory Maniac (0)
5. Gitaxian Probe (1)
Cost: {U} + {1B} + 4 life

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Phase I:
* In hand: Bonus Round and Demonic Tutor
* Resolve BR, then Demonic Tutor leaving {B} available
* Demonic Tutor gets doubled and tutors you Dark Ritual and Dark Petition
* Dark Ritual copied for 6 {B]
* Dark Petition copied for two tutors + 1 + 3 + 3 = 7 {B}
* With one of the Dark Petition tutors, get Yawgmoth's Will + another card.
* Cast Bonus Round again

Phase II:
* Bonus Round gets copied by previous Bonus Round leaving you with 4x spells
* Cast Dark Ritual from graveyard for +12 {B} (+11 {B} net)
* Cast Dark Petition from graveyard for 4 tutors + 12 {B} (+7 {B} net after paying for Dark Petition)
* Tutor for mana rocks, Dramatic Reversal, and Unsubstantiate.
* Cast Dramatic Reversal. Three copies of Dramatic Reversal appear on the stack; tap mana rocks between resolutions.
* With the original Dramatic Reversal on the stack play Unsubstantiate targeting Dramatic Reversal. One copy targets original Dramatic Reversal; one copy targets original Unsubstantiate; third copy targets anything.
* Result: 3 resolved Dramatic Reversals (+ mana), Dramatic Reversal in your hand AND Unsubstantiate in your hand == INFINITE.

Phase 3:
* With unlimited mana + original Demonic Tutor recast with Yawg. Will (or even a cantrip copied and Unsubstantiated), get your preferred wincon. The Unsubstantiate trick can also be used to loop a win condition (e.g., Praetor's Grasp, Jeleva, cantrip + LabMan).

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Isochron Scepter + Swan Song win condition

1. Cast a random spell that can be counterd by Swan Song
2. Use your second Isochron Scepter to cast Swan Song
3. Hold Priority and use your first Isochron Scepter to cast Dramatic Reversal.
4. Let Reversal resolve, untapping both Isochron Scepters.
5. Re-use the now untapped second Isochron Scepter to cast Swan Song, targeting your own Swan Song. Let it resolve to get a 2/2 Bird token.
6. Use the first Isochron Scepter again to untap both of your Scepters, while still keeping the original spell on the stack.
7. Repeat stepts 2-6 ad infinitum.

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