mirror mtg card Magic: The Gathering Mirror-Sigil Sergeant (012) Damaged and all permanents you own into your library Panoptic Mirror Proxy - Artifact

Destroying damaged creatures This isn't used as much, but black sometimes kills things that have already been damaged

In exchange, one opponent also get a copy of the spell

Creatures like Windborn Muse and Kazuul, Tyrant of the Cliffs will make it very difficult for your opponents to attack you and take the monarch

Most sold is for cards people are actually buying, mixing recent sales with daily averages

A copy did show up for sale in 2017 in Paris at Magic Bazar for $50,000, but the webpages about the posting have been closed and whether or not it was bought is unknown

Once Bolas flips, games usually spiral fast