Requires

Doomsday must be in hand. Grenzo, Dungeon Warden must be on the battlefield. Kiki-Jiki, Mirror Breaker must be in the graveyard, or in the library. Conspicuous Snoop must be in the graveyard, or in the library. Torch Courier must be in the graveyard, or in the library. Brazen Buccaneers must be in the graveyard, or in the library. Mogg Fanatic must be in the graveyard, or in the library. Your life total is at least 2. Mana needed:

Steps

1. Cast Doomsday by paying , searching your library and graveyard for Torch Courier, Kiki-Jiki, Mogg Fanatic, Brazen Buccaneers and Conspicuous Snoop, exiling all other cards from your graveyard and library, and then placing the remaining cards on top of your library in the order previously listed and losing half your life, rounded up.
2. Activate Grenzo by paying , putting Conspicuous Snoop into your graveyard and then onto the battlefield.
3. Cast Torch Courier from the top of your library by paying .
4. Activate Torch Courier by sacrificing it, giving Conspicuous Snoop haste until end of turn.
5. Activate Conspicuous Snoop using Kiki-Jiki's ability by tapping it, creating a token copy of Conspicuous Snoop with haste.
6. Repeat step 5 with the new Conspicuous Snoop token an arbitrarily large amount of times.
7. Activate Grenzo by paying , putting Brazen Buccaneers into your graveyard and then onto the battlefield.
8. Brazen Buccaneers enters the battlefield, revealing Kiki-Jiki, putting a +1/+1 counter on Brazen Buccaneers and putting Kiki-Jiki into your graveyard.
9. Activate a Conspicuous Snoop using Mogg Fanatic's ability by sacrificing it, dealing 1 damage to any target.
10. Repeat from step 9.

Results