Modular Monstrosity
Artifact Creature — Construct
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.3/3
Printings & Conditions (2)
The List (Unfinity Foil Edition) (ULST)(The List)#59Rare
Unstable (UST)(Unstable)#155Rare