SKU: 8529616324

Keyforge Mass Mutation Starter Set

Sale price$22.49 Regular price$24.99
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Description

Keyforge Mass Mutation Starter SetChange is coming to the Crucible with the Mass Mutation set for the worlds only Unique Deck Game, KeyForge. Over 200 brand new cards now enter the cardpool in the games fourth set, and the mutative power of the dark mber has changed many of them, creating strange and unknown versions of once familiar creatures. As gigantic creatures stretching across two cards lumber their way into battle, and House Sanctum makes its triumphant return, there has never

Change is coming to the Crucible with the Mass Mutation set for the world’s only Unique Deck Game, KeyForge.

Over 200 brand-new cards now enter the cardpool in the game’s fourth set, and the mutative power of the dark æmber has changed many of them, creating strange and unknown versions of once-familiar creatures.

As gigantic creatures stretching across two cards lumber their way into battle, and House Sanctum makes its triumphant return, there has never been a more impactful time to leap into the fast-paced duels of KeyForge.

Here in the world’s first Unique Deck Game, two players become Archons racing to forge keys that unlock the hidden vaults of the Crucible, an artificial world built from pieces of countless planets.

The KeyForge Mass Mutation Two-Player Starter Set provides you with all the tools you need to either begin or expand your adventures on the Crucible, including two unique Worlds Collide Archon Decks, a Quickstart Rulebook, two poster playmats, and all the keys, tokens, and chain trackers you and your opponent need to start playing!

Contents

  • 2 Worlds Collide Archon Decks
  • Quickstart Rules
  • 2 Poster Playmats
  • Keys, Tokens, Chain Trackers 

Details

Players: 2
Ages: 14+
Runtime: 15 - 45m
Designer: Richard Garfield

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SKU: 8529616324

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4.3 ★★★★★
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Verified Purchase
Durenda
Phoenix, US
★★★★★ 5
A favorite for my boys!
Color: Hambone Super Chewer, Size: M/L
My dogs love this toy, it satisfied their need to rip up a toy and still allowed them to play long after the top layer was torn apart to enjoy! It bounces well and has still held up with my chewers, this is still one of my dogs favorite toys to play fetch with!
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Reviewed in the United States on May 20, 2026
J
Verified Purchase
Jackie H
West Palm Beach, US
★★★★★ 5
Great toy
Color: Hambone Super Chewer, Size: M/L
My dog loves this toy so much. He's not quite so aggressive with his chewing, now that he's getting older, but this toy lasted through his younger years, and recently started to show signs of wear. He was so sad when I threw it out, that I had to replace it. Glad it still exists - we got the first one probably 5 years ago.
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Reviewed in the United States on January 4, 2026
S
Verified Purchase
shannon
Omaha, US
★★★★★ 5
Great for heavy chewers
Color: Hambone Super Chewer, Size: M/L
Our dog is a hard core chewer! This toy is very durable. Even the covering has lasted. We assumed we would need to take the cover off right away but it’s still going after 3 months. It’s definitely chew resistant
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 27, 2026
J
Verified Purchase
JJ
Port Orchard, US
★★★★★ 4
Great treat dispenser
Color: Hambone Super Chewer, Size: M/L
Great rubber toy, the outside fabric did not last long, so glad that it is a treat holder/dispenser otherwise it would have been done for in about 10min. The opening for the treats is pretty small so can only fight thinner broken up treats. Great for larger dog that likes to dissect her toys, keeping her entertained longer and no fluff all over the house
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Reviewed in the United States on July 28, 2025
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Verified Purchase
Bethany Messner
Battle Creek, US
★★★★★ 5
My dog loves this toy!
Color: Hambone Super Chewer, Size: M/L, Color: Hambone Super Chewer, Size: M/L
My dog LOVES this toy. It is so cute. It was a little smaller than I thought it would be, but it’s actually the perfect size for him. He carries it everywhere with him, and if he happens to have forgotten it, we say “go get your pig” and you can see it click in his head that he forgot it, and he runs to get it. He loves to drop it to make it bounce. He is 9, he used to instantly rip anything to shreds, but he seems to have gotten a little more delicate in his older age and after a few weeks hasn’t gotten through to the harder toy yet. Once this toy bites the dust, we will have to buy him another because of how much he loves his pig.
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Reviewed in the United States on May 26, 2026

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