Doomsday | Grenzo, Dungeon Warden | Zealous Conscripts

(and three other cards)

Goblin Sledder in your graveyard or in your library.
Kiki-Jiki in your graveyard or in your library.
Priest of Gix in your graveyard or in your library.
Zealous Conscripts in your graveyard or in your library.
Grenzo on the battlefield.
Doomsday in hand.
Your life total is at least 2.
({2} magic symbol) ({B} magic symbol) ({B} magic symbol) ({B} magic symbol) available.

Cast
Doomsday by paying ({B} magic symbol) ({B} magic symbol) ({B} magic symbol) , searching your library and graveyard for one any other card,
Zealous Conscripts,
Goblin Sledder,
Kiki-Jiki, and
Priest of Gix, 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.
Activate
Grenzo by paying ({2} magic symbol) , putting
Priest of Gix into your graveyard and then onto the battlefield, adding ({B} magic symbol) ({B} magic symbol) ({B} magic symbol) .
Activate
Grenzo by paying ({2} magic symbol) , putting
Kiki-Jiki into your graveyard and then onto the battlefield.
Activate
Kiki-Jiki by tapping, creating a token copy of
Priest of Gix.
Token copy of
Priest of Gix entering the battlefield, adding ({B} magic symbol) ({B} magic symbol) ({B} magic symbol) .
Activate
Grenzo by paying ({2} magic symbol) , putting
Goblin Sledder into your graveyard and then onto the battlefield.
Activate
Goblin Sledder by sacrificing it, giving
Grenzo +1/+1 until end of turn.
Activate
Grenzo by paying ({2} magic symbol) , putting
Zealous Conscripts into your graveyard and then onto the battlefield, untapping
Kiki-Jiki.
Activate
Kiki-Jiki by tapping, creating a token copy of
Zealous Conscripts.
Repeat from step 8.