Kenessos, Priest of Thassa
Legendary Creature — Merfolk Cleric
If you would scry a number of cards, scry that many cards plus one instead.
: Look at the top card of your library. If it's a Kraken, Leviathan, Octopus, or Serpent creature card, you may put it onto the battlefield. If you don't put the card onto the battlefield, you may put it on the bottom of your library.
- CMC
- 2
- Mana cost
- Color identity
- GU
- Rarity
- rare
- Set
- Jumpstart 2022
- Price
- $8.65
- EDHREC rank
- #9314
Kenessos, Priest of Thassa cheats Krakens, Leviathans, Octopuses, and Serpents directly onto the battlefield for the cost of his tap ability — zero mana, just a scry trigger — which makes him absurdly efficient in any blue sea-monster shell. The Mind Over Matter combo (discard a card to untap Kenessos, repeat until you've deployed your entire library of sea creatures) is the ceiling, and it's a real ceiling; Galadriel of Lothlórien decks run him at nearly 37% inclusion because the scry-to-put-into-hand engine feeds his trigger every turn.
Best Commanders
Commanders with the highest synergy
Galadriel of Lothlórien
Galadriel of Lothlórien generates scry triggers on every player's draw step, which means Kenessos, Priest of Thassa gets to activate repeatedly — putting enormous sea creatures into play for free while Galadriel's own engine keeps the gas flowing.
Kiora, Sovereign of the Deep
Kiora, Sovereign of the Deep cares deeply about Krakens, Leviathans, Octopuses, and Serpents entering the battlefield, and Kenessos, Priest of Thassa is the most efficient way to land them without paying their mana costs — the two cards form a straightforward, high-value engine.
Arixmethes, Slumbering Isle
Arixmethes, Slumbering Isle is itself a massive sea creature, so the tribe is already baked into the commander slot; Kenessos, Priest of Thassa fills the role of turbo-deploying the rest of the roster without clogging a curve that already peaks at expensive finishers.
Format Analysis
Where it lives, where it can’t
| Format | Verdict |
|---|---|
| commander | legal |
| legacy | legal |
| modern | not legal |
| pioneer | not legal |
| standard | not legal |
| vintage | legal |
| pauper | not legal |
| oathbreaker | legal |
Commander is where Kenessos, Priest of Thassa belongs — the singleton format rewards narrowly powerful tribal engines, and a three-mana creature that repeatedly puts 8-to-12-mana sea monsters into play for free is exactly the kind of effect that warps a game. Outside Commander, he's legal in Legacy and Vintage but has no competitive home; the sea-creature tribe doesn't exist in those formats' threat landscapes, and a vanilla 2/3 that needs a scry trigger to do anything is nowhere near Legacy-playable. Oathbreaker is the one other format worth mentioning — he can head an Oathbreaker list as the planeswalker's partner, though the 20-life starting total compresses the window you have to assemble the engine.
Key Combos
Combo lines featuring this card
Mind Over MatterEligeth, Crossroads AugurKenessos, Priest of ThassaAttentive Sunscribe
Infinite draw triggers; Infinite looting; Infinite self-discard triggers
View on Commander Spellbook ↗Budget Alternatives
Cheaper options that do most of the same work
Whelming Wave and Serpent of Yawning Depths support sea-creature themes at under a dollar each, but neither replicates what Kenessos, Priest of Thassa actually does — cheating mana costs entirely is a unique effect, not one you can replicate with cost-reduction or tribal buffs. If the budget concern is strictly about the commander slot, Tidal Force offers repeatable untap triggers that can fuel similar synergies, though you lose the direct-to-battlefield deployment that makes Kenessos worth building around.
Price Context
Current price
$8.65 mid tier
At $8.65, Kenessos, Priest of Thassa sits in the mid tier — expensive enough to feel like a deliberate purchase, cheap enough that it belongs in the list if the deck calls for it. Demand is narrow (tribal sea-creature decks only) but consistent, so the price is likely stable rather than trending in either direction.
Explore
Sources
Mentioned
Updated . Data from Scryfall, EDHREC, and Commander Spellbook.