The Nightmare that Engulfed Muul (Full Art)

We have tracked The Nightmare that Engulfed Muul (Full Art) since April 2025, when it sold for $4.94. Today the market price is $1.45, down 70.7%. Across the past year it went −43.8%, with a low of $1.45 and a high of $2.58; today it sits near the bottom of that range. Its all-time high in our data is $4.94, still 241% above the current price. The cheapest listing right now is $1.39, and the 30-day average market price is $1.45.

"Give me a world to play with my nightmares, Lapis, not a town." —Valentina

[Reunited] "Invading Demon of Water" or "Released Terror"

- You pay 0 rather than pay the will activation cost of activate abilities of entities you control with "Muul" in their name.

[Enter] >>> Reveal X water/darkness Fantasy resonator cards with different names you own from outside the game and keep them revealed until end of game, then search your deck, graveyard and/or hand for an addition with "Muul" in its name and put it into the field. If you searched your deck, shuffle it.

[Rest], UB: Put a token copy of target Fantasy resonator card you own revealed outside the game into the field.