Sphinx Ambassador
Creature — Sphinx
Flying
Whenever this creature deals combat damage to a player, search that player's library for a card, then that player chooses a card name. If you searched for a creature card that doesn't have that name, you may put it onto the battlefield under your control. Then that player shuffles.
- CMC
- 7
- Mana cost
- Color identity
- U
- Rarity
- mythic
- Set
- Magic 2010
- Price
- $13.56
- EDHREC rank
- #11361
Sphinx Ambassador swings in as an 5/5 flier and, on damage, lets you rifle through an opponent's library and steal a creature if you can name it — a repeatable threat that replaces itself with their best creature. The cost is eight mana and the requirement to connect with combat damage, which makes it too slow for anything but Commander and narrow The Celestial Toymaker builds.
Best Commanders
Commanders with the highest synergy
The Celestial Toymaker
The Celestial Toymaker's game piece manipulation turns Sphinx Ambassador into a known-information steal — Toymaker's ability to arrange or reveal library contents means you're not guessing the creature name blind, you already know what's on top.
Yennett, Cryptic Sovereign
Sphinx Ambassador has an odd converted mana cost of eight, which means Yennett, Cryptic Sovereign can cast it for free off a successful attack — and a free 5/5 flier that then threatens a creature steal is exactly the kind of top-end payoff Yennett decks are looking for.
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 |
Sphinx Ambassador is legal in Commander, Legacy, Modern, Vintage, and Oathbreaker, but only Commander gives it a real home. In Legacy and Vintage the eight-mana cost is a non-starter — faster, more reliable threats dominate those formats long before you can cast it. Modern is technically legal but the same problem applies: eight mana, no immediate board impact, combat damage required. Commander is where Sphinx Ambassador earns its keep, specifically in midrange or midrange-combo blue builds that can protect it for a turn and leverage the triggered ability for value or game-ending steals.
Key Combos
Combo lines featuring this card
Budget Alternatives
Cheaper options that do most of the same work
Bribery does the same job — grab the best creature from any library — for five mana at instant or sorcery speed, with no combat requirement, though at roughly $10–15 it's not dramatically cheaper and has no repeatable upside. Keiga, the Tide Star is a closer budget analog: also an expensive blue flier that steals a creature, but on death rather than combat damage, making it better against removal and worse in The Celestial Toymaker shells where Sphinx Ambassador's triggered ability matters more than the body.
Price Context
Current price
$13.56 mid tier
At $13.56 Sphinx Ambassador sits in mid-tier pricing for a narrow Commander card with a single-set print run and limited reprint history. The price is stable rather than climbing — demand is real but concentrated in The Celestial Toymaker builds, so it won't spike unless that archetype breaks wide.
Explore
Sources
Updated . Data from Scryfall, EDHREC, and Commander Spellbook.