Octomancer

Creature — Frog Druid

Gift an Octopus (You may promise an opponent a gift as you cast this spell. If you do, when it enters, they create an 8/8 blue Octopus creature token.)
At the beginning of each end step, create a token that's a copy of target creature token that entered the battlefield this turn.

CMC
5
Mana cost
{3}{G}{U}
Color identity
GU
Rarity
rare
Set
Bloomburrow Commander
Price
$0.37
EDHREC rank
#4414
Buy on TCGplayer
Octomancer card art
Octomancer puts a 1/1 blue Octopus token into play for each instant or sorcery spell your opponents cast — on their turn, at their expense, with no extra mana from you after the initial four. The catch is a 4/4 body for five mana that does nothing proactive; Clement, the Worrywort is the commander that turns this passive token engine into a genuine threat.

Best Commanders

Commanders with the highest synergy

01
Clement, the Worrywort

Clement, the Worrywort

47.6% of decks · synergy 0.43

Clement, the Worrywort cares about token creation triggers and punishes opponents for generating advantages on your behalf, making Octomancer's reactive token output a natural fit — every spell your opponents cast while Octomancer is in play feeds Clement's engine for free.

02
Gor Muldrak, Amphinologist

Gor Muldrak, Amphinologist

41.3% of decks · synergy 0.37

Gor Muldrak, Amphinologist forces Salamander Warrior tokens onto your opponents, and Octomancer adds a parallel layer of pressure by minting Octopus tokens off every instant and sorcery they cast — giving Gor Muldrak decks two separate reasons to want opponents developing their boards.

03
Volo, Guide to Monsters

Volo, Guide to Monsters

28.4% of decks · synergy 0.24

Volo, Guide to Monsters copies the enters-the-battlefield trigger of creatures with unique types, and Octomancer's Octopus subtype is almost certainly unrepresented in any given game, meaning Volo doubles the token-generating engine for just one cast.

04
Koma, Cosmos Serpent

Koma, Cosmos Serpent

23.6% of decks · synergy 0.19

Koma, Cosmos Serpent builds a Serpent token every upkeep and converts creatures into permanent tap-down effects, and Octomancer slots in as another source of token fodder that scales with how spell-heavy the table is.

05
Ms. Bumbleflower

Ms. Bumbleflower

20.0% of decks · synergy 0.17

Ms. Bumbleflower rewards token generation and symmetrical sharing effects, and Octomancer's passive punishment clause generates value whenever the table interacts — aligning cleanly with the group-hug-goes-wide plan Ms. Bumbleflower enables.

Format Analysis

Where it lives, where it can’t

FormatVerdict
commander
legacy
modern
pioneer
standard
vintage
pauper
oathbreaker

Commander is where Octomancer actually lives — in a four-player game, opponents collectively cast enough instants and sorceries to generate a meaningful stream of tokens, and the card's passive design fits the slower, reactive tempo of the format. In Legacy and Vintage, it's technically legal but competes against formats where five mana for a 4/4 with a conditional triggered ability simply doesn't clear the bar; no competitive shell wants it. Octomancer is absent from Modern, Pioneer, Standard, and Pauper entirely, which is where the format story ends.

Key Combos

Combo lines featuring this card

Price Context

Current price

$0.37 bulk tier

At $0.37, Octomancer sits firmly in bulk territory — you're paying next to nothing for a narrow card with a real home in Clement and Gor Muldrak builds. Bulk rares with genuine tribal or token synergies tend to stay flat unless a commander spike drives demand, so treat this as a cheap pickup for the decks that want it rather than a card with upside.

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Mentioned

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