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Unbound Flourishing

Enchantment

Whenever you cast a permanent spell with a mana cost that contains {X}, double the value of X.
Whenever you cast an instant or sorcery spell or activate an ability, if that spell's mana cost or that ability's activation cost contains {X}, copy that spell or ability. You may choose new targets for the copy.

CMC
3
Mana cost
{2}{G}
Color identity
G
Rarity
mythic
Set
The List
Price
$17.09
EDHREC rank
#2846
Buy on TCGplayer
Unbound Flourishing card art
Unbound Flourishing doubles every X spell you cast and copies every permanent spell with X in its cost — for two mana, it redefines the ceiling of any X-matters deck. Marath, Will of the Wild turns each activation into two, and Zimone, Infinite Analyst hits the enchantment on virtually every draw-and-dump loop she runs.

Best Commanders

Commanders with the highest synergy

01
Zimone, Infinite Analyst

Zimone, Infinite Analyst

95.7% of decks · synergy 0.93

Zimone, Infinite Analyst runs Unbound Flourishing in 96% of lists because her engine is built entirely around casting X spells to dig through the deck — doubling those triggers means twice the cards, twice the mana, and a loop that closes multiple turns faster.

02
Zaxara, the Exemplary

Zaxara, the Exemplary

79.2% of decks · synergy 0.74

Zaxara, the Exemplary makes a Hydra token for every X spell cast, so Unbound Flourishing's copy effect means two tokens per spell and two chances to load up Zaxara's counters — the enchantment is effectively mandatory in 79% of Zaxara lists for exactly that reason.

03
Rosheen, Roaring Prophet

Rosheen, Roaring Prophet

71.1% of decks · synergy 0.70

Rosheen, Roaring Prophet taps to produce four mana usable only on X spells, so Unbound Flourishing sits at the intersection of every line she enables — 71% inclusion reflects that the enchantment just doubles the output of her primary function.

04
Magus Lucea Kane

Magus Lucea Kane

72.6% of decks · synergy 0.69

Magus Lucea Kane already copies spells with her own ability, and Unbound Flourishing stacks on top, meaning X spells routinely resolve three or four times over — 73% of Magus Lucea Kane lists run it because the math on any payoff becomes absurd fast.

05
Gargos, Vicious Watcher

Gargos, Vicious Watcher

56.4% of decks · synergy 0.54

Gargos, Vicious Watcher cares about Hydras, and most Hydras have X in their cost, so Unbound Flourishing doubles the counters those spells land with — 56% inclusion is lower only because Gargos lists sometimes lean on combat rather than spell-doubling to close the game.

Format Analysis

Where it lives, where it can’t

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

Commander is where Unbound Flourishing actually lives — the 100-card singleton format supplies the density of X spells needed to make a two-mana enchantment generate consistent advantage, and the longer game gives it time to pay off. In Modern and Legacy, the card is technically legal but sees no meaningful competitive play; a two-mana enchantment that does nothing the turn it enters requires a dedicated X-spell shell that those formats don't support at pace. Vintage is the same story — legal, irrelevant. Oathbreaker is a workable home if the signature spell is an X spell, but the format's smaller card pool limits how far the engine can go.

Key Combos

Combo lines featuring this card

Budget Alternatives

Cheaper options that do most of the same work

There's no card that replicates what Unbound Flourishing does at a lower price — the combination of permanent-spell copying and triggered doubling is unique. The closest proxy approach is pairing Doubling Season (for counter doubling) with Strionic Resonator (to copy triggered abilities), but that's two cards, more mana, and strictly narrower coverage than the single enchantment.

Price Context

Current price

$17.09 mid tier

At $17.09, Unbound Flourishing sits in the mid tier — expensive enough to feel like a deliberate include, cheap enough that any X-matters deck should run it without hesitation. It has seen multiple reprints without significant price erosion, which reflects genuine demand rather than scarcity-driven pricing.

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Sources

Mentioned

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