Progenitor Mimic + Notorious Throng + Eternal Witness

3-card combo · GU

Verdict

Yes — this 3-piece loop chains infinite extra turns as long as a Rogue can connect with an opponent each cycle.

Cards required

Cheapest stack total

$6.99

Color identity

Popularity

15 decks

Format

Commander

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Progenitor Mimic copies Eternal Witness, then ticks up each upkeep to create a new Witness token that recurs Notorious Throng straight back to hand. The prowl cost on Notorious Throng drops to 5U as long as a Rogue dealt combat damage that turn, and the extra turn it grants restarts the loop indefinitely. The setup demands a Rogue that can actually hit — unblockable creatures like Triton Shorestalker or evasive tokens do the job, but a single blocked Rogue ends the chain cold.

How it works

Prerequisites

Progenitor Mimic on the battlefield as a copy of Eternal Witness. You control at least one Rogue that does not have summoning sickness and cannot be blocked by an opponent.

Steps

Deal combat damage to an opponent using a Rogue.
Cast Notorious Throng for its prowl cost by paying , causing you to take an extra turn after this one.
At the beginning of your next upkeep, Progenitor Mimic triggers, creating a token copy of Eternal Witness.
When the Eternal Witness token enters the battlefield, it triggers, returning Notorious Throng from your graveyard to your hand.
Repeat.

Result

Infinite turns; Lock

Cheaper, tighter, alternate lines

Yuriko, the Tiger's Shadow shells are the natural home — her ninja triggers already demand unblocked creatures, and she generates Rogues incidentally. If Progenitor Mimic is removed before the upkeep trigger resolves, the loop collapses entirely; having a backup Eternal Witness already in play insulates against losing the recursion piece, though rebuilding the Mimic copy still requires re-establishing the board state.

Progenitor Mimic + Notorious Throng + Eternal Witness

How it works

Cheaper, tighter, alternate lines

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