Fleet Swallower
Creature — Fish
Whenever this creature attacks, target player mills half their library, rounded up.
- CMC
- 7
- Mana cost
- Color identity
- U
- Rarity
- rare
- Set
- Secret Lair Drop
- Price
- $11.58
- EDHREC rank
- #4863
Fleet Swallower hits the table and immediately mills half an opponent's library — a 6/6 trampler that forces a milling of the top half of any library it damages. The cost is real: seven mana is a steep ask, and without Bruvac the Grandiloquent on board to double that mill trigger into a one-shot, Fleet Swallower is a threat that needs support to close games.
Best Commanders
Commanders with the highest synergy
Bruvac the Grandiloquent
Bruvac the Grandiloquent is the defining pairing — his replacement effect turns Fleet Swallower's "mill half the library" trigger into mill the entire library, meaning a single attack kills any opponent outright.
The Mindskinner
The Mindskinner's attack triggers stack punishment on top of combat damage, and Fleet Swallower gives The Mindskinner a second massive mill vector that opponents have to answer the turn it lands or lose their library.
Phenax, God of Deception
Phenax, God of Deception can tap Fleet Swallower as a static mill engine after it attacks, squeezing extra value out of that 6 toughness every turn without needing combat to connect.
The Ancient One
The Ancient One rewards high-power creatures with evasion and offense, and Fleet Swallower's raw size and combat-damage mill trigger make it a natural fit for closing out a game once The Ancient One has established board presence.
Lord Xander, the Collector
Lord Xander, the Collector layers graveyard disruption and resource denial on opponents, and Fleet Swallower extends that plan by milling away half a library — stripping cards that were never going to be discarded or sacrificed otherwise.
Format Analysis
Where it lives, where it can’t
| Format | Verdict |
|---|---|
| commander | legal |
| legacy | legal |
| modern | legal |
| pioneer | legal |
| standard | not legal |
| vintage | legal |
| pauper | not legal |
| oathbreaker | legal |
Commander is where Fleet Swallower actually belongs — the singleton format's slower pace gives you time to reach seven mana, and multiplayer means a single combat step can threaten multiple opponents' libraries when mill payoffs are in play. In Modern or Legacy, it's a legal card but a non-starter; seven mana for a creature with no immediate protection is far too slow against interactive, fast-paced fields where it dies before the attack step. Pioneer is similarly hostile. Fleet Swallower is purpose-built for Commander mill strategies, and outside that context it's a collector's item, not a threat.
Key Combos
Combo lines featuring this card
Bruvac the GrandiloquentFleet Swallower
Infinite mill for target opponent; Near-infinite self-mill
View on Commander Spellbook ↗
Phenax, God of DeceptionConsuming AberrationFleet Swallower
Infinite mill for target opponent
View on Commander Spellbook ↗
Fleet SwallowerKeening Stone
Infinite self-mill; Infinite mill for target opponent
View on Commander Spellbook ↗Budget Alternatives
Cheaper options that do most of the same work
Consuming Aberration costs a fraction of the price and mills every opponent whenever you cast a spell, scaling larger as graveyards fill — it lacks Fleet Swallower's guaranteed half-library chunk on combat damage, but over a long game it mills more total cards. Maddening Cacophony is a single spell that mills half a library for just two mana, trading the creature body and repeatability for pure efficiency at a budget price point.
Price Context
Current price
$11.58 mid tier
At $11.58, Fleet Swallower sits in the mid tier — noticeable but not backbreaking for a Commander slot. It's a narrow card with a specific home, so the price is unlikely to climb outside of mill-strategy demand, and it's easy to find in the $10–$12 range consistently.
Explore
Sources
Updated . Data from Scryfall, EDHREC, and Commander Spellbook.