Gyruda, Doom of Depths + Mortuary + Phyrexian Altar

Spicy

Decks

How it works

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Cast Gyruda by paying and commander tax, if applicable.
Gyruda enters the battlefield, triggering its ability.
Holding priority, activate Phyrexian Altar by sacrificing Gyruda, adding one mana of any color.
Gyruda dies, triggering Mortuary, putting Gyruda on top of your library from your graveyard.
Resolve the Gyruda ability from step 2, causing each player to mill four cards and you to return Gyruda from your graveyard to the battlefield.
Repeat from step 2.

In which brackets is this combo allowed, per Spellbook's Spicy tier?

1–2 · Exhibition & Core

Spellbook classifies this as Spicy — not for these brackets.

3 · Upgraded

Allowed in this bracket.

4–5 · Optimized & cEDH

All combos are allowed.