Undercards Wikia
Undercards Wikia

For her Boss Battle, see Muffet: Boss.

Effect updates and description changes can be seen here.



Undertale OST - Spider Dance Extended

0:41 - 0:50

Muffet was originally an Epic card, but Beta 8.1 buffed her to a Legendary card, the 2nd card to ever change rarity, the other being the Gaster Blaster. (This caused previous Muffets to be automatically disenchanted.) This update increased her stats but limits the player of only using one in their deck instead of two.

Her effect was obviously also changed, adding 3 Spiders to both decks. And whenever you play an Arachnid, Muffet gains +2/+1. Keep in mind that it won't trigger from enemy Arachnids or those summoned through the likes of Lamp. She also has Haste, enabling her to attack the enemy's monsters right away.


This can be useful in decks focussed on quick drawings, such as Bravery and Integrity. It can also work in Perseverance due to their access to Spider Web and for an easy way to apply KR.

Card Skins

Tea Time

  • Tea Time (by Moonlightring)

    Spider Dance

  • Spider Dance (by Darky)

    Golden Muffet

  • Golden Muffet (by Jacky Bunny - Fan Artist)
    • Only available through the UCP Shop.

      Hey-yo Westerberg

  • Hey-yo Westerberg (by Jake Horror)

    Captured Soul

  • Captured Soul (by Kazma)

    Party Muffet

  • Party Muffet (by Shionbluu)
    • Originally available through Spider Party Bundle.


  • Muffet's card was slightly zoomed in when it became a Legendary.
  • Muffet gaining +2/+1 is referencing the fact that Spiders have 2/1 as their base stats.
  • With Spider changing its ability to just having Haste in Beta 9.1, Beta 9.3 also gave Haste to Muffet.