It answers things
Magnanimous Magistrate FromTheShire: This is interesting as a sort of workaround reanimation thing, and in a deck with a bunch of blink and reanimation so you're not paying the heavy casting cost I could see this being part of an interesting loop
This damage, doubled, leaves the opponent at one life
But yes, MTG card dimensions matter, especially if youre sleeving, storing, printing custom cards, or trying to avoid the tragic fate of why does this one card feel different? Lets get you the numbers that matter, the numbers that dont, and the print setup that saves you from the classic my border got guillotined moment
If the target creature is an illegal target by the time Chain Assassination tries to resolve, it won't resolve and none of its effects will happen