If it is silver, it is uncommon
Effective immediately, and slightly later today on MTG Arena, each of the best decks are being significantly cut down in strength
On top of that, Mutiny is a clean, straightforward effect that avoids using set-specific mechanics, maximizing its ability to be reprinted in future sets
It epitomizes blues identity and provides real value at a mana value cheap enough to be relevant for many formats while being color intensive enough not to go in every blue deck ever
At that point you are probably better off just selling to someone who will deal with the grading themselves and maybe make a bit of profit
Black Lotus (1993) // $615,000 Magic the Gathering & Pokmon : Uncut Test Print Sheet (1998) // $375,000 Magic the Gathering : Starter Deck (1993) // $312,500 Arabian Nights Sealed Booster Box (1993) // $212,500 City of Traitors: Uncut Test Print Sheet (1998) // $162,500 Ancestral Recall (1993) // $36,000 Splendid Genesis (1997) // $33,750 Timetwister (1993) // $21,600 Black Lotus (1993) // $615,000 The Black Lotus trading card was released back in 1993 as part of the earliest edition of Magic: The Gathering