Speculative Buying : Some collectors are purchasing sealed products and singles in anticipation of future value increases, particularly first-edition releases

Each Set Booster contains fifteen cards, with plenty of opportunities for opening multiple rares and mythic rares, including multiple legends: 1 Foil-etched legendary creature or Background (rare or mythic rare in 1 of 3 boosters) 1 Legendary creature or planeswalker (rare or mythic rare in 50% of boosters) 1 Legendary Background (rare in 1 of 12 boosters) 1 Rare or mythic rare (this can be legendary or non-legendary) 1 Traditional foil card of any rarity, including Booster Fun cards 1 Common or uncommon card with the rulebook treatment 1 Basic land or foil basic land 3 Common cards that are connected thematically 3 Uncommon cards that are connected thematically 2 Wildcards of any rarity 1 Art card or foil-stamped art card 1 Token, ad card, helper card, or a card from The List Set Boosters are available individually and in displays of 18 boosters
This makes it a welcome surprise for decks that may include it
Its 4-loyalty ultimate gives you an emblem that permanently gives your artifact creatures +1/+1, plus a discount on your artifact spells
Sauron, the Dark Lord Sauron, the Dark Lord has one of the highest "power floors" of any commander that has been printed in recent years: simply existing on the battlefield makes him a must-answer threat thanks to his huge stats, incredibly painful ward, the ever-growing army he summons that also replaces itself, and his ability to refill your hand