The One Ring + Conduit of Worlds + Phyrexia's Core

3-card combo · G

Verdict

No — this loop locks the pilot out of casting spells as much as it locks opponents out of dealing damage, making it a prison for everyone at the table including the user.

Cards required

Cheapest stack total

$4.23

Color identity

Popularity

48 decks

Format

Commander

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Conduit of Worlds rebuys The One Ring from the graveyard each turn after Phyrexia's Core sacrifices it; the Ring re-enters and immediately resets protection from everything. The catch is baked into the result list: the pilot can't cast spells while protection is active, so the lock is symmetrical in the worst way — stalling the game rather than winning it.

How it works

Prerequisites

You have not cast a spell this turn.

Steps

Activate Phyrexia's Core's second ability by paying , tapping it and sacrificing The One Ring, causing you to gain one life.
Activate Conduit of Worlds by tapping it, causing you to pay to cast The One Ring from your graveyard.
The One Ring triggers, giving you protection from everything until your next turn.
Repeat during each of your turns.

Result

Prevent all damage that would be dealt to you; You can't cast spells; You have protection from everything; Lock

Cheaper, tighter, alternate lines

The One Ring is better served as a raw draw engine in green artifact shells than as a recursion target; Conduit of Worlds pairs more productively with sacrifice loops that don't blank the pilot's own turn. If the goal is a hard lock, Teferi's Protection does the same defensive work as a one-shot instant without surrendering every future casting step.

The One Ring + Conduit of Worlds + Phyrexia's Core

How it works

Cheaper, tighter, alternate lines

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