Grenzo, Dungeon Warden + The Cauldron of Eternity + Phyrexian Altar + Dark Ritual + Zealous Lorecaster

5-card combo · BR

Verdict

Yes — this 5-card loop generates infinite colored mana and infinite ETB/death triggers through a self-sustaining Dark Ritual recursion engine.

Cards required

Cheapest stack total

$66.18

Color identity

Popularity

0 decks

Format

Commander

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Grenzo, Dungeon Warden mills Zealous Lorecaster directly onto the battlefield for 2 mana; The Cauldron of Eternity immediately rebottoms it on death, and Phyrexian Altar pays for the sacrifice while Zealous Lorecaster's ETB trigger returns Dark Ritual to hand to refuel the next cycle. The loop is housed in Rakdos reanimator shells — Grenzo as commander is the most natural fit since his power-based mill condition is already the engine.

How it works

Prerequisites

Grenzo has power 2 or greater.

Steps

Cast Dark Ritual by paying , adding .
Activate Phyrexian Altar by sacrificing Zealous Lorecaster, adding one mana of any color.
When Zealous Lorecaster dies, The Cauldron of Eternity triggers, putting Zealous Lorecaster from your graveyard onto the bottom of your library.
Activate Grenzo by paying , putting Zealous Lorecaster from the bottom of your library into your graveyard, and then putting it onto the battlefield.
When Zealous Lorecaster enters the battlefield, it triggers, returning Dark Ritual from your graveyard to your hand.
Repeat.
Once you have infinite mana, you may activate Grenzo's ability any number of times.

Result

Infinite ETB; Infinite LTB; Infinite colored mana; Infinite death triggers; Infinite magecraft triggers; Infinite sacrifice triggers; Infinite storm count; Put a selection of creature cards from your library onto the battlefield

Cheaper, tighter, alternate lines

The combo is five cards deep and requires Grenzo at power 2 or greater before it starts, which means any combat damage or Grenzo-debuffing effect breaks it mid-loop. Once mana goes infinite, activate Grenzo freely to dump the library onto the battlefield — Gray Merchant of Asphodel or Impact Tremors closes immediately; without a pre-seeded win condition, infinite mana alone doesn't end the game.

Grenzo, Dungeon Warden + The Cauldron of Eternity + Phyrexian Altar + Dark Ritual + Zealous Lorecaster

How it works

Cheaper, tighter, alternate lines

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