Older cards with effects that are basically menace (think of Gorilla War Cry, Searing Spear Askari, Demoralize, and Wind Spirit) have been errataed to add the keyword in replacement of the rules text
Master Duel 2022-01-19 Laval Burner (BAM) Yu-Gi-Oh
Paradox Rift is a main set entry, really the 4th in Scarlet and Violet if you don't count Pokemon 151
Illustrated by Adam Paquette Standard Not Legal Alchemy Not Legal Pioneer Legal Historic Not Legal Modern Legal Brawl Not Legal Legacy Legal Comp
These boxes serve elite players very well
When your opponent would Special Summon a monster(s) while you have a "Shaddoll" card in your hand (Quick Effect): You can negate the Summon, and if you do, destroy that monster, then send 1 "Shaddoll" card from your hand to the GY