Thassa, Deep-Dwelling + Eternal Witness + Time Stretch

3-card combo · GU

Verdict

Yes — this 3-card loop locks the table into an infinite-turns engine as long as Thassa and Eternal Witness survive.

Cards required

Cheapest stack total

$42.20

Color identity

Popularity

78 decks

Format

Commander

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Every turn Thassa, Deep-Dwelling blinks Eternal Witness at end step, which returns Time Stretch from the graveyard to hand; casting it again for 8UU restarts the cycle two turns later. The loop asks for ten mana every other turn, so it fits best in Simic ramp shells — Thassa as commander or under a general like Aesi, Tyrant of Gyre Strait that floods the board with land drops.

How it works

Prerequisites

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Steps

Cast Time Stretch by paying , getting two extra turns after this one.
At the beginning of your end step, Thassa triggers, blinking Eternal Witness.
Eternal Witness enters the battlefield, returning Time Stretch from your graveyard to your hand.
Repeat every other turn.

Result

Infinite turns; Lock

Cheaper, tighter, alternate lines

Conjurer's Closet replaces Thassa if the enchantment gets removed, though it lacks Thassa's activated flicker for utility outside the combo. Walk the Aeons is a cheaper extra-turn spell that also returns itself via landfall if Time Stretch is too steep on mana, but it loses the synergy with Eternal Witness and requires a different recursion line entirely.

Thassa, Deep-Dwelling + Eternal Witness + Time Stretch

How it works

Cheaper, tighter, alternate lines

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