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Spark Double

Creature — Illusion

You may have this creature enter as a copy of a creature or planeswalker you control, except it enters with an additional +1/+1 counter on it if it's a creature, it enters with an additional loyalty counter on it if it's a planeswalker, and it isn't legendary.

CMC
4
Mana cost
{3}{U}
Color identity
U
Rarity
rare
Set
War of the Spark
Price
$11.25
EDHREC rank
#404
Buy on TCGplayer
Spark Double card art
Spark Double enters as a copy of any creature or planeswalker you control, dodges the legendary rule, and comes in with an extra counter — that last clause is why Commodore Guff and Felidar Guardian decks specifically want it. Four mana for a second commander that doesn't replace the first is a deal most blue decks should take.

Best Commanders

Commanders with the highest synergy

01
Commodore Guff

Commodore Guff

77.8% of decks · synergy 0.72

Commodore Guff runs Spark Double in 78% of lists because a non-legendary copy of Guff means two loyalty-adding triggers per turn cycle — the counter engine doubles its output immediately.

02
Gyruda, Doom of Depths

Gyruda, Doom of Depths

79.9% of decks · synergy 0.70

Gyruda, Doom of Depths triggers off each other when both are on board, creating a self-feeding loop as long as your top cards keep delivering even-mana-value hits — Spark Double is the cleanest way to get a second Gyruda without a second cast.

03
Sakashima of a Thousand FacesVial Smasher the Fierce

Sakashima of a Thousand Faces // Vial Smasher the Fierce

63.5% of decks · synergy 0.56

Sakashima of a Thousand Faces // Vial Smasher the Fierce is itself a legendary-rule workaround, so pairing it with Spark Double means the deck runs two separate clone effects that each let you stack copies of your best threats without forcing sacrifices.

04
Koma, Cosmos Serpent

Koma, Cosmos Serpent

61.8% of decks · synergy 0.53

Koma, Cosmos Serpent generates a Serpent token every upkeep, so a second Koma via Spark Double means two tokens per turn cycle on top of two untap-locking activations — the board locks out most opponents almost immediately.

05
The Celestial Toymaker

The Celestial Toymaker

53.9% of decks · synergy 0.48

The Celestial Toymaker's game-piece plan scales directly with the number of activations available, and Spark Double supplies a non-legendary second copy that doubles those activations without eating the legend zone.

Format Analysis

Where it lives, where it can’t

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

Commander is where Spark Double earns its keep — the legendary-rule bypass is a Commander-specific problem the card was designed to solve, and the extra counter on planeswalker copies interacts with commanders like Commodore Guff in ways that simply don't exist in other formats. In Pioneer and Modern, Spark Double is technically legal but sees almost no play; four mana for a conditional Clone is too slow and too narrow when you're not working around the legend rule. Legacy and Vintage have access to faster, cheaper copy effects and enough broken things happening by turn four that Spark Double never gets the table time it needs. Oathbreaker is the one non-Commander format where it's genuinely useful, for the same reason: copying your Oathbreaker without triggering the legend rule is a real advantage.

Key Combos

Combo lines featuring this card

3,995 decks
Orvar, the All-FormSpark DoubleMind Games

Orvar, the All-FormSpark DoubleMind Games

Infinite copies of artifacts, creatures and lands you control; Infinite creature tokens; Infinite ETB; Infinite landfall triggers; Infinite magecraft triggers; Infinite mana lands you control can produce; Infinite proliferate; Infinite storm count

View on Commander Spellbook ↗

Budget Alternatives

Cheaper options that do most of the same work

Phantasmal Image copies any creature for two mana and covers most of what Spark Double does in creature-focused lists, with the trade-off that it's an Illusion that dies to anything that targets it and can't copy planeswalkers. If the planeswalker doubling is the specific draw, Spark Double has no clean budget replacement — Clever Impersonator comes closest at a similar price point, but it doesn't bypass the legend rule the way Spark Double does.

Price Context

Current price

$11.25 mid tier

At $11.25, Spark Double sits in the mid tier — expensive enough to feel like a deliberate include, cheap enough that it's not a barrier for most Commander budgets. It's a unique effect with no functional reprint at this price, so the cost is unlikely to drop significantly without a targeted reprint.

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Sources

Mentioned

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