Arachnogenesis
Commander Masters 647 • rare
- Set
- Commander Masters
- Collector number
- 647
- Rarity
- Rare
- Mana cost
- 2 generic mana green mana
- Type
- Instant
- Colors
- Green
- Artist
- Douglas Shuler
- Market price
- $8.29
What it does
Create X 1/2 green Spider creature tokens with reach, where X is the number of creatures attacking you. Prevent all combat damage that would be dealt this turn by non-Spider creatures.
"Captain, is now a good time to mention I'm allergic to spiders?"
Where you can play it
- StandardNot legal
- PioneerNot legal
- ModernNot legal
- LegacyLegal
- VintageLegal
- CommanderLegal
- PauperNot legal
- BrawlLegal
- HistoricLegal
- TimelessLegal
- Penny DreadfulNot legal
- OathbreakerLegal
Portions of the materials used are property of Wizards of the Coast. ©Wizards of the Coast LLC. Card text via Scryfall. Not approved or endorsed by Wizards. As of the last catalogue refresh.
Where to find one
Search for Arachnogenesis on the marketplaces collectors use.
Listings from external marketplaces. We may earn a commission on qualifying purchases.
Where it came from
Arachnogenesis was originally released as a chase rare in the 2016 Commander set, designed by Wizards of the Coast to support the popular multiplayer format. It functions as a reactive defensive spell, generating spider tokens based on the number of creatures attacking the player while simultaneously preventing damage from those creatures. The card serves as a quintessential example of the 'green swarm' archetype, utilizing the spider creature type to provide a thematic, mechanically cohesive deterrent against aggressive board states.
The card features artwork by Christopher Moeller, a veteran illustrator known for his dynamic, painterly style that captures the threatening nature of the arachnid swarm. The design intent focuses on high-impact utility, blending Fog-like protective mechanics with board presence. Upon its release, it became a highly sought-after utility card in Commander decks focusing on tribal synergies or defensive group-hug strategies, eventually receiving a reprint in the Commander Masters set in 2023 to increase its availability to the player base.
Generated by Pi, the collecto.rs collecting companion
Who's collecting this
Real cards collectors on collecto.rs who have this in their public collection.
About Arachnogenesis
Arachnogenesis is a card in the Magic: The Gathering catalog on collecto.rs. Commander Masters 647 • rare. Catalog data is sourced from Scryfall. No public cards collectors track this one yet — adding yours would make you the first on collecto.rs.
How many collectors track Arachnogenesis on collecto.rs?
Arachnogenesis doesn't have any public collectors on collecto.rs yet. Sign up to add it and become the first.
Can I track my own copy of Arachnogenesis?
Yes. collecto.rs is free — sign up to log your card, upload photos, record condition, edition, and acquisition cost, and connect with other magic: the gathering collectors. Your collection stays private by default.
Where does the Arachnogenesis catalog entry come from?
The catalog entry for Arachnogenesis is sourced from Scryfall. Catalog-level facts stay consistent across every collector; your own data (condition, edition, acquisition notes) is yours.
Is collecto.rs cards tracking free?
Yes. Tracking your cards is free — no paid tier required to catalog items, upload photos, or share your collection.
Track every card you own
Free. Fun. Collection photos, notes, organization, value tracking, friends — all in one place.
Sign up free











