Varragoth, Bloodsky Sire | Kuro, Pitlord | Temporal Extortion

(and two other cards)

Temporal Extortion and
Repay in Kind in hand.
All permanents on the battlefield.
An opponent cannot block and kill
Varragoth.
Canal Dredger does not have summoning sickness.
({6} magic symbol) ({B} magic symbol) ({B} magic symbol) ({B} magic symbol) ({B} magic symbol) ({B} magic symbol) ({B} magic symbol) ({B} magic symbol) available.

Activate
Kuro by paying 1 life, targeting any creature not used for this combo.
Holding priority, repeat the previous step until you have 1 life remaining.
Resolve all
Kuro abilities.
Cast
Repay in Kind by paying ({5} magic symbol) ({B} magic symbol) ({B} magic symbol) , causing all life totals to become 1.
Cast
Temporal Extortion by paying ({B} magic symbol) ({B} magic symbol) ({B} magic symbol) ({B} magic symbol) .
If an opponent pays 1 life to counter it, that opponent's life total becomes 0, they lose the game, and you skip the next step.
Otherwise, resolve
Temporal Extortion, gaining an extra turn.
Activate
Canal Dredger by tapping it, putting
Temporal Extortion from your graveyard on the bottom of your library.
Declare
Varragoth as an attacker.
Activate
Varragoth's Boast ability by paying ({1} magic symbol) ({B} magic symbol) , searching your library for
Temporal Extortion and putting on top of your library.
Go to your next turn.
Draw
Temporal Extortion in your draw step.
Repeat from step 7.

On each of your turns, you take an extra turn unless an opponent chooses to lose the game.