Is Genesis Hydra good in Commander?

Genesis Hydra in Commander — Combos, Decks & Price

Genesis Hydra arrives as a threat and a tutor simultaneously — cast it for X=6 and you get a 6/6 plus any nonland permanent with mana value 6 or less straight onto the battlefield, no mana cost paid. The cost is that it whiffs on X=0 or X=1 and can't fetch instants or sorceries, but commanders like Yedora, Grave Gardener and Polukranos Reborn show exactly how deep the card's ceiling goes when you're already generating big mana.

Best Commanders

Commanders with the highest synergy

01

Polukranos Reborn

85.5% of decks · synergy 0.84

Polukranos Reborn is the single highest-synergy shell for Genesis Hydra because both cards reward you for dumping large amounts of mana into a single spell — Polukranos wants to flip into a massive creature, and Genesis Hydra gives you a free nonland permanent on top of the body you just paid for.

02

Gargos, Vicious Watcher

72.3% of decks · synergy 0.68

Gargos, Vicious Watcher reduces Hydra spell costs by four, which means Genesis Hydra becomes obscenely efficient — casting it for X=6 effectively costs two mana, and the free Hydra trigger off Gargos can remove a blocker the same turn the Hydra lands.

03

Zaxara, the Exemplary

58.0% of decks · synergy 0.54

Zaxara, the Exemplary generates a Hydra token whenever you cast a spell with X in its cost, so Genesis Hydra produces both a token and a free permanent — one card doing two jobs is exactly what an X-spell commander wants.

04

Kirri, Talented Sprout

55.8% of decks · synergy 0.54

Kirri, Talented Sprout triggers on Hydra creature spells to create Plant tokens and draw cards, so Genesis Hydra checks every relevant box: it's a Hydra, it produces a body that scales, and it digs out another permanent to extend the turn.

05

Rosheen, Roaring Prophet

44.6% of decks · synergy 0.42

Rosheen, Roaring Prophet taps for four mana usable only on X costs, making Genesis Hydra reliably large as early as turn four and enabling the kind of high-X casts where the free permanent clause becomes backbreaking.

Format Analysis

Where it lives, where it can’t

Format	Verdict
commander	legal
legacy	legal
modern	legal
pioneer	legal
standard	not legal
vintage	legal
pauper	not legal
oathbreaker	legal

Commander is where Genesis Hydra lives — big-mana green decks have the ramp density to push X into double digits, and hitting a free Vorinclex, Doubling Season, or any other haymaker off the trigger is the kind of tempo swing the format rewards. In competitive 60-card formats like Modern and Legacy, Genesis Hydra is too slow: sorcery speed, conditional on having surplus mana, and the tutored permanent comes in at end of combat timing that faster decks exploit. Pioneer is the same story — the card is legal but sees virtually no play because the format's threat density doesn't reward six-plus mana sorceries without an immediate, reliable win condition attached. Oathbreaker offers the same Commander-style big-mana environment where Genesis Hydra can shine, especially with X-cost planeswalkers as targets.

Key Combos

Combo lines featuring this card

0 decks

Yedora, Grave Gardener Primordial Mist Pitiless PlundererGenesis Hydra

Infinite death triggers; Infinite ETB; Infinite landfall triggers; Infinite LTB; Infinite storm count

View on Commander Spellbook ↗

Price Context

Current price

$0.44 bulk tier

At $0.44, Genesis Hydra is deep bulk — a card that punches well above its price point in any green Commander deck that regularly produces six or more mana. Bulk rares with broad Commander applications tend to floor around this range and stay there, so there's no reason to wait on picking up copies.