Unstable · #155
eBay prices
Tap for sold & listed comps
Description, catalog fields, rules text, and how it plays—in one place.
eBay sold comps from the Vendor Tools public catalog — tap a condition below to filter sales, or refresh to pull new data into the catalog
Whenever an opponent casts a spell, you have five seconds to choose a keyword you haven't chosen for a card named Modular Monstrosity today that's been printed on a creature card. If you do, this creature gains that ability. Otherwise, this creature loses all keyword abilities.
Abilities, attacks, weakness & resistance
Other cards from Unstable
Modular Monstrosity (UST-155) is a silver-bordered Artifact Creature — Construct from Unstable. Whenever an opponent casts a spell you have five seconds to pick a keyword ability printed on a creature card that you haven't picked for any Modular Monstrosity that day, and if you do the creature gains that ability; failing to pick a valid keyword causes it to lose all keyword abilities. The card enforces daily uniqueness and respects printed modifiers for keywords, with rulings clarifying timing and what counts as a valid choice.
Catalog pricing data as of 22 Apr 2026, 15:47
Share your thoughts on this card — condition, value, pull rates, etc.
to comment.
No comments yet. Be the first to share your thoughts.
