Assassin's Trophy
Instant
Destroy target permanent an opponent controls. Its controller may search their library for a basic land card, put it onto the battlefield, then shuffle their library.
A power vacuum for the Azorius. A keepsake for Vraska.
Illustrated by
Guilds of Ravnica Promos#152pRareEnglishLegality
Rulings
Oct 5, 2018
If the target permanent is an illegal target by the time Assassin’s Trophy tries to resolve, the spell doesn’t resolve. No player searches their library.
Oct 5, 2018
If the target permanent is a legal target but isn’t destroyed, most likely because it has indestructible, its controller may search their library.
Oct 5, 2018
If the permanent’s controller doesn’t search their library, they don’t shuffle their library.