Is Peek good in Commander?

Peek in Commander — Combos, Decks & Price

Peek hands you a full view of an opponent's hand for one blue mana, then replaces itself — the information is free in any meaningful sense. It belongs in spell-count decks and anywhere knowing the table's countermagic situation is worth a card slot, which in Commander is more often than not.

Best Commanders

Commanders with the highest synergy

01

Zevlor, Elturel Exile

43.3% of decks · synergy 0.42

Zevlor, Elturel Exile copies instants and sorceries to multiple opponents, so Peek doesn't just cantrip — it lets you see every hand at the table before Zevlor's ability fires, telling you exactly whose grip is worth targeting and whose counterspells you need to play around.

02

Octavia, Living Thesis

44.2% of decks · synergy 0.41

Octavia, Living Thesis cares about instant and sorcery count, and Peek is the cheapest possible contribution to that tally — one mana, one spell, one card drawn, and the bonus of knowing what the table is holding before you commit to a big turn.

03

Geralf, the Fleshwright

42.4% of decks · synergy 0.39

Geralf, the Fleshwright triggers off instant and sorcery casts, so Peek is a zero-pressure way to tick the counter, sculpt your hand, and scout the most threatening grip at the table before deciding where to aim Geralf's output.

04

Katara, Waterbending Master

26.3% of decks · synergy 0.23

Katara, Waterbending Master rewards playing cheap spells and building a chain, and Peek slots in as a free-roll link — it costs one, draws a card, and the intelligence on opponents' hands helps Katara's pilot decide how aggressively to extend.

05

Lord of the Nazgûl

23.3% of decks · synergy 0.22

Lord of the Nazgûl wants as many instant and sorcery spells as possible to generate Wraith tokens, and Peek is one of the lowest-opportunity-cost spells available for that job — one mana, a free card, and incidental information about whether an answer is coming.

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	legal
oathbreaker	legal

In Commander, Peek earns its slot almost exclusively in spell-count commanders and storm-adjacent builds — the cantrip is incidental value, but knowing one opponent's hand before a critical turn can be the difference between walking into a counterspell and playing around it. Legacy and Vintage have access to Peek but almost never want it; cantrips in those formats compete with Brainstorm and Ponder, and raw card selection wins over opponent information at that power level. Pauper is the one non-Commander format where Peek sees occasional play, particularly in tempo and control shells that can leverage the hand knowledge to time removal or threats more precisely. Pioneer and Standard players have no access to it, and the gap isn't felt.

Key Combos

Combo lines featuring this card

Price Context

Current price

unknown tier

Peek is a common-rarity cantrip with multiple printings, which keeps the price floor extremely low — expect to find copies for well under a dollar in any format where it's legal. It's the kind of card worth picking up as a bulk grab rather than a deliberate purchase; price is never the reason to skip it.