Doomsday by paying ({B} magic symbol) ({B} magic symbol) ({B} magic symbol) , searching your library and graveyard for
Metallic Mimic,
Murderous Redcap,
Skirk Prospector,
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
Skirk Prospector into your graveyard and then onto the battlefield.
Activate
Grenzo by paying ({2} magic symbol) , putting
Murderous Redcap into your graveyard and then onto the battlefield, dealing damage equal to its power to any target.