Archelos, Lagoon Mystic is one of those cards players keep asking about. Here is, in plain words, what its official text says, the rulings published by Wizards of the Coast, and the combos players actually run.
Official card text
As long as Archelos is tapped, other permanents enter tapped. As long as Archelos is untapped, other permanents enter untapped.
Complete guide
Archelos, Lagoon Mystic is a unique commander that dictates the pace of the game based on his physical orientation. Whether he is standing tall or taking a nap, every other permanent must follow his lead as they arrive on the battlefield. This Turtle Shaman turns your board state into a rhythmic engine of efficiency or a defensive wall.
Master of the Tides
Archelos, Lagoon Mystic features two static abilities that function as replacement effects. While Archelos is tapped, every other permanent—including creatures, lands, and artifacts—enters the battlefield tapped. Conversely, while he is untapped, those permanents enter the battlefield untapped, regardless of what their own text might usually require.
Resolving the Entry
When a permanent is about to enter the battlefield, the game checks the current status of Archelos. If Archelos is already on the battlefield, his effect applies immediately to the new permanent. However, it is important to note that Archelos does not affect himself as he enters, nor does he affect other permanents entering at the same exact time as him, such as through a mass resurrection effect.
Conflicting Effects
If another effect states a permanent 'enters the battlefield tapped' while Archelos is untapped, the controller of the entering permanent chooses which replacement effect to apply. You can choose to have your land enter untapped even if the spell that put it there says otherwise. If a permanent is simply 'put onto the battlefield tapped' without a choice, Archelos's untapped status will force it to enter untapped.
Strategic Timing
To maximize Archelos, you want ways to tap and untap him at will. Tapping him before an opponent's turn ensures their blockers and lands enter uselessly tapped. Untapping him before your own land drops allows you to use your resources immediately, even if they would normally be slow.
Interaction examples
If Archelos, Lagoon Mystic is untapped when you play Solemn Simulacrum, you can search for a basic land and put it onto the battlefield. Even though the Simulacrum's ability says the land enters tapped, Archelos provides a replacement effect that allows you to have that land enter untapped and ready for use immediately.
With Archelos, Lagoon Mystic tapped, your Eternal Witness will enter the battlefield tapped. While this doesn't stop her triggered ability from returning a card from your graveyard to your hand, it does mean she cannot be used as a blocker right away, illustrating how Archelos's nap time affects even your own reinforcements.
Guide written with AI from the official text and rulings. Official English text prevails.
How it works : Archelos, Lagoon Mystic
Original English text — Wizards of the Coast / Scryfall
- #1· Wizards of the Coast
Archelos's abilities don't apply to itself as it enters the battlefield, nor do they apply to any permanents entering the battlefield at the same time.
No other card is named in this ruling.
- #2· Wizards of the Coast
If another replacement effect says that a permanent enters the battlefield tapped while Archelos is untapped, the entering permanent's controller chooses whether the permanent enters tapped or untapped. If a permanent is simply put onto the battlefield tapped without a replacement effect being applied, it always enters untapped if Archelos is untapped.
No other card is named in this ruling.
- #3· Wizards of the Coast
If more than one Archelos is on the battlefield, the controller of an entering permanent chooses how to order the replacement effects.
No other card is named in this ruling.
Popular combos
Real combos played by the community, sorted by popularity.
Zimone, Quandrix Prodigy + Retreat to Coralhelm + Simic Growth Chamber + Archelos, Lagoon Mystic
- 1Activate Zimone's first ability by paying
and tapping it, putting Simic Growth Chamber from your hand onto the battlefield untapped due to Archelos.
- 2When Simic Growth Chamber enters the battlefield, it and Retreat to Coralhelm trigger.
- 3Holding priority, activate Simic Growth Chamber by tapping it, adding
.
- 4Resolve the Simic Growth Chamber trigger from step 2, returning itself from the battlefield to your hand.
- 5Resolve the Retreat to Coralhelm trigger, untapping Zimone.
- 6Repeat.
Zimone, Quandrix Prodigy + Retreat to Coralhelm + Golgari Rot Farm + Archelos, Lagoon Mystic
- 1Activate Zimone's first ability by paying
and tapping it, putting Golgari Rot Farm from your hand onto the battlefield untapped due to Archelos.
- 2When Golgari Rot Farm enters the battlefield, it and Retreat to Coralhelm trigger.
- 3Holding priority, activate Golgari Rot Farm by tapping it, adding
.
- 4Resolve the Golgari Rot Farm trigger from step 2, returning itself from the battlefield to your hand.
- 5Resolve the Retreat to Coralhelm trigger, untapping Zimone.
- 6Repeat.
Zimone, Quandrix Prodigy + Retreat to Coralhelm + Dimir Aqueduct + Archelos, Lagoon Mystic
- 1Activate Zimone's first ability by paying
and tapping it, putting Dimir Aqueduct from your hand onto the battlefield untapped due to Archelos.
- 2When Dimir Aqueduct enters the battlefield, it and Retreat to Coralhelm trigger.
- 3Holding priority, activate Dimir Aqueduct by tapping it, adding
.
- 4Resolve the Dimir Aqueduct trigger from step 2, returning itself from the battlefield to your hand.
- 5Resolve the Retreat to Coralhelm trigger, untapping Zimone.
- 6Repeat.
Patron of the Moon + Simic Growth Chamber + Archelos, Lagoon Mystic
- 1Pay
to activate Patron of the Moon, putting Simic Growth Chamber onto the battlefield.
- 2Simic Growth Chamber triggers, targeting itself.
- 3With the trigger on the stack, tap Simic Growth Chamber for
.
- 4Allow the trigger to resolve, returning Simic Growth Chamber to your hand.
- 5Repeat.
Patron of the Moon + Golgari Rot Farm + Archelos, Lagoon Mystic
- 1Pay
to activate Patron of the Moon, putting Golgari Rot Farm onto the battlefield.
- 2Golgari Rot Farm triggers, targeting itself.
- 3With the trigger on the stack, tap Golgari Rot Farm for
.
- 4Allow the trigger to resolve, returning Golgari Rot Farm to your hand.
- 5Repeat.
Patron of the Moon + Dimir Aqueduct + Archelos, Lagoon Mystic
- 1Pay
to activate Patron of the Moon, putting Dimir Aqueduct onto the battlefield.
- 2Dimir Aqueduct triggers, targeting itself.
- 3With the trigger on the stack, tap Dimir Aqueduct for
.
- 4Allow the trigger to resolve, returning Dimir Aqueduct to your hand.
- 5Repeat.
Cultivator Colossus + Abundance + Maze's End + Archelos, Lagoon Mystic
- 1Cast Cultivator Colossus by paying
.
- 2Cultivator Colossus enters the battlefield, putting a land card from your hand onto the battlefield untapped due to Archelos, then revealing cards from the top of your library until you reveal a land card, putting it in your hand and the rest of the revealed cards on the bottom of your library in any order.
- 3Repeat this process, putting a land card from your hand onto the battlefield untapped due to Archelos.
- 4Repeat step 3 until you have Maze's End and ten Gates with different names on the battlefield.
- 5Activate three of the Gates by tapping them, adding
.
- 6Activate Maze's End's second ability by paying
, tapping it and returning Maze's End to your hand, causing you to win the game.
Patron of the Moon + Guildless Commons + Archelos, Lagoon Mystic
- 1Pay
to activate Patron of the Moon, putting Guildless Commons from your hand onto the battlefield untapped due to Archelos.
- 2When Guildless Commons enters, it triggers.
- 3Activate Guildless Commons by tapping it, adding two mana.
- 4Resolve Guildless Commons's triggered ability, returning it from the battlefield to your hand.
- 5Repeat.
Legal formats
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