The thing to keep in mind with these values is that they are for sealed products in relativity or very good condition
This is far too specific to include in something like a Commander deck, and theres infinitely better sideboard tech out there for other formats
Is It Possible To Tell The Rarity Of A Card Based On The Design Of The Back
Ghired's Belligerence Red spells that distribute X damage are good, and youll have a populate trigger each time a creature is dealt damage this way and killed later
Whether a part of control, aggro, tempo, or combo decks, Brainstorm was an absolutely defining force in Vintage until its eventual restriction, and to this day, is clearly way, way over the line for Legacy, except that it just gets a pass, because we want it
banish it, and if you do, inflict 1000 damage to your opponent, then, if it is a DARK Monster Card, banish all cards with that name from the hand, Main Deck, Extra Deck, and GY of the player who controlled it