Unsettled Mariner
Creature — Shapeshifter
Changeling (This card is every creature type.)
Whenever you or a permanent you control becomes the target of a spell or ability an opponent controls, counter that spell or ability unless its controller pays 
.
- CMC
- 2
- Mana cost
- Color identity
- UW
- Rarity
- rare
- Set
- Modern Horizons
- Price
- $5.48
- EDHREC rank
- #3985
Unsettled Mariner puts a tax on every spell and ability your opponents point at you or your permanents — for just two mana, that protection scales across the entire table. It's not as flashy as hexproof or indestructible, but the cumulative friction it generates is real, and The Destined Warrior builds are among the first to notice.
Best Commanders
Commanders with the highest synergy
The Destined Warrior
The Destined Warrior cares about keeping key creatures alive through combat and ability-based removal, and Unsettled Mariner's universal tax makes every targeted answer cost one more — a meaningful deterrent when your opponent has to decide whether trading mana is worth it.
Atreus, Impulsive Son // Kratos, Stoic Father
Atreus, Impulsive Son // Kratos, Stoic Father runs a creature-heavy game plan that lives and dies by keeping its pieces on board, and Unsettled Mariner shores up the vulnerability to cheap removal and bounce that would otherwise disrupt the setup.
The Archimandrite
The Archimandrite builds around a wide creature base that benefits from any layer of protection, and Unsettled Mariner's passive tax applies to every single permanent on your side — monks, clerics, and the commander itself.
Sophia, Dogged Detective
Sophia, Dogged Detective needs her investigation engine to survive long enough to generate value, and Unsettled Mariner buying even one extra turn against a targeted removal spell is often the difference between a live combo and a dead board.
Format Analysis
Where it lives, where it can’t
| Format | Verdict |
|---|---|
| commander | legal |
| legacy | legal |
| modern | legal |
| pioneer | not legal |
| standard | not legal |
| vintage | legal |
| pauper | not legal |
| oathbreaker | legal |
In Commander, Unsettled Mariner is at its best — three opponents means the tax fires constantly, and the threat of it changing math discourages pile-ons. In Legacy and Vintage, the card is legal but competes in a space where a single extra mana is more meaningful, though it's rarely the right tool in those formats' faster, more spell-dense environments. Modern is where it has seen the most competitive discussion outside Commander: tribal shells and creature decks have tested it as a soft protection piece, though it's never broken through as a staple. The fact that it's locked out of Pioneer, Standard, and Pauper keeps its demand concentrated, which is part of why Commander remains its primary home.
Key Combos
Combo lines featuring this card
Budget Alternatives
Cheaper options that do most of the same work
Tocasia's Welcome and similar enter-the-battlefield effects don't replicate Unsettled Mariner's protection angle, but if the goal is taxing interaction, Reidane, God of the Worthy offers a comparable deterrent in white-heavy builds at a lower price point. For pure protection-on-a-stick, Selfless Spirit or Dauntless Bodyguard can fill the role in creature-based decks for under a dollar, though neither generates the continuous passive tax that makes Unsettled Mariner worth the extra cost.
Price Context
Current price
$5.48 mid tier
At $5.48, Unsettled Mariner sits in the mid tier — not a throwaway include, but not a financial commitment either. It's held this price range steadily because its effect is narrow enough that demand stays tribal and tribal-adjacent, which means no dramatic spikes are likely unless a high-profile Commander deck pushes it into wider circulation.
Explore
Sources
Mentioned
- The Destined Warrior
- Atreus, Impulsive Son // Kratos, Stoic Father
- The Archimandrite
- Sophia, Dogged Detective
Updated . Data from Scryfall, EDHREC, and Commander Spellbook.