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Xantcha, Sleeper Agent

Legendary Creature — Phyrexian Minion

Xantcha enters under the control of an opponent of your choice.
Xantcha attacks each combat if able and can't attack its owner or planeswalkers its owner controls.
{3}: Xantcha's controller loses 2 life and you draw a card. Any player may activate this ability.

CMC
3
Mana cost
{1}{B}{R}
Color identity
BR
Rarity
rare
Set
The List
Price
$3.37
EDHREC rank
#3042
Buy on TCGplayer
Xantcha, Sleeper Agent card art
Xantcha, Sleeper Agent lands on an opponent's battlefield and immediately starts draining their life total while handing you a repeatable draw engine — all for three mana. The cost is real: you're giving an opponent a 5/5 and no direct control over where it attacks, which means threat-dense or politically hostile tables punish you for it. In the right shell — Blim, Comedic Genius gifting nightmares, or Cadaverous Bloom converting that card draw into explosive mana — the payoff dwarfs the risk.

Best Commanders

Commanders with the highest synergy

01
Blim, Comedic Genius

Blim, Comedic Genius

79.1% of decks · synergy 0.74

Blim, Comedic Genius and Xantcha, Sleeper Agent share the same philosophy: put your problems on your opponents' side of the table and profit. Blim donates permanents that punish their controller, and Xantcha is the premier gift — a creature that drains the recipient's life while feeding Blim's pilot a card draw engine.

02
Karazikar, the Eye Tyrant

Karazikar, the Eye Tyrant

58.8% of decks · synergy 0.54

Karazikar, the Eye Tyrant thrives on forced combat and goading, and Xantcha, Sleeper Agent plugs directly into that gameplan. The opponent controlling Xantcha is incentivized to activate its ability, draining themselves, while Karazikar punishes any attack they make with goads and card draw.

03
Mathas, Fiend Seeker

Mathas, Fiend Seeker

47.1% of decks · synergy 0.45

Mathas, Fiend Seeker puts bounty counters on threats to encourage opponents to handle them, and Xantcha, Sleeper Agent fits that political matrix perfectly. Dropping Xantcha on the most dangerous player at the table and watching others either collect the bounty or suffer the life drain is exactly the chaos Mathas wants to orchestrate.

04
Queen Marchesa

Queen Marchesa

38.8% of decks · synergy 0.36

Queen Marchesa rewards a political, threat-spreading playstyle, and Xantcha, Sleeper Agent gives her a pressure valve — park it on the player most likely to attack you, drain their life, and draw cards while the table stays destabilized. It's a rattlesnake and a resource engine in one card.

05
Deadpool, Trading Card

Deadpool, Trading Card

40.4% of decks · synergy 0.35

Deadpool, Trading Card leans on life loss triggers and chaotic table dynamics, and Xantcha, Sleeper Agent delivers both — repeated life drain for the opponent who controls it plus a mana sink that keeps the pressure asymmetric. The activation cost makes opponents choose between losing life slowly or spending mana to feed your hand.

Format Analysis

Where it lives, where it can’t

FormatVerdict
commander legal
legacy legal
modern not legal
pioneer not legal
standard not legal
vintage legal
pauper not legal
oathbreaker legal

Xantcha, Sleeper Agent is a Commander card through and through — the donate-and-drain mechanic only generates real value in a multiplayer environment where you can pick the worst-positioned opponent to receive her. In Legacy and Vintage, where she's technically legal, a three-mana 5/5 with no immediate board impact and the downside of arming your opponent is nowhere near competitive. Oathbreaker is the one other format where the political angle has any traction, though the two-player dynamics of most Oathbreaker games blunt her edge considerably. Commander is where Xantcha, Sleeper Agent earns every slot.

Key Combos

Combo lines featuring this card

Price Context

Current price

$3.37 cheap tier

At $3.37, Xantcha, Sleeper Agent sits in the cheap tier — high-synergy, low-cost, and a no-brainer inclusion for any deck built around political gifting or life drain. Demand from Blim, Comedic Genius and Karazikar, the Eye Tyrant lists keeps her from bottoming out, so this price is likely a floor rather than a ceiling.

Explore

Sources

Mentioned

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Updated . Data from Scryfall, EDHREC, and Commander Spellbook.