Mayhem and Web Encounters are two new major mechanics whilst focusing on new creatures and legendary creature cards like Spider-Man, Miles Morales, Venom, and Green Goblin, not to mention hot picks from the Spider-Verse
The Replenish deck could sit back, lose card advantage turn after turn with Attunement, and still come out and win at its leisure as Parallax Wave, Opalescence, Seal of Cleansing, and other enchantments all entered play at the same time
Playing a tribal deck in Commander is a nice and easy way to get into the format
Having the ability to hinder an opponent's creatures is valuable in draft games due to the dominance of creature-based strategies
I suppose WotC could print a creature that is so good when given haste that a deck might want to run this, but in that case, Id rather invest in Through the Breach
Like all trading card games, Magic: The Gatherin g has evolved over the years in many ways