Grolnok, the Omnivore + Cephalid Illusionist + Lightning Greaves + Thassa's Oracle

4-card combo · GU

Verdict

Yes — this 4-card loop mills the entire library and closes immediately with Thassa's Oracle.

Cards required

Cheapest stack total

$124.43

Color identity

Popularity

594 decks

Format

Commander

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Lightning Greaves equips for free, and each time it moves to Cephalid Illusionist, Illusionist triggers and mills three cards. Grolnok, the Omnivore exiles every permanent milled this way under a croak counter, which hollows out the library while stacking devotion; once the library is empty, Thassa's Oracle casts itself from exile for two blue mana and wins on the spot. The shell is a Grolnok frog-tribal or Simic self-mill Commander list — every piece except Lightning Greaves is on-theme for a graveyard-to-exile engine.

How it works

Prerequisites

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Steps

Activate Lightning Greaves by paying , attaching it to Cephalid Illusionist.
Cephalid Illusionist triggers, causing you to mill three cards.
Whenever a permanent card is put into your graveyard, exile it with a croak counter.
Activate Lightning Greaves by paying , attaching it to Grolnok.
Repeat step 1 through 4 until your devotion to blue is greater than or equal to the number of cards in your library.
Cast Thassa's Oracle from exile by paying .
Thassa's Oracle enters the battlefield, winning you the game.

Result

Infinite self-mill; Win the game

Cheaper, tighter, alternate lines

Nomads en-Kor replaces Lightning Greaves as the free redirect engine for Cephalid Illusionist if the Greaves keep getting removed, though it narrows the color identity to white. Laboratory Maniac is the backup closer if Thassa's Oracle is exiled or countered — drawing a card on an empty library wins the same turn the loop finishes.

Grolnok, the Omnivore + Cephalid Illusionist + Lightning Greaves + Thassa's Oracle

How it works

Cheaper, tighter, alternate lines

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