magic: the gathering foundations play booster box Perfect for Limited play or just to open for the thrill of surprises Foundations Play Boosters – Mox

While arguably not the game's primary antagonist - that would be the maester Seymour in my opinion - Sin is a destructive force that feels almost impossible to contend with and provides an incredible story device for the characters

Elvish Rejuvenator

However , tapping and sacrificing a Treasure token is an activated ability

Effect triggers after attacking during the Battle Phase

This hasnt happened (since the cost of a Standard deck has decreased)

When this happens, the next turn player automatically becomes the commander (unless a different player killed them with combat damage, in which case the monarch moves the same way it normally would)