Players coming in from other trading card games might forget that Magic: The Gathering has a whole second main phase after combat during which you can play sorceries and permanents, as well as activate all of those abilities that say "activate only as a sorcery." Even if you don't have a Wrath of God to wipe out your opponent's board post-attack, there are still a lot of things you can do, and the raid mechanic serves not only to remind you that there's a second main phase, but also encourages you to attack
A great example is Parallax Tide, a card that hasn't seen any kind of play since its Standard days yet managed to break Premodern wide open
The card is now on the battlefield
This is a great option for lifegain decks to help actually deal damage for once, as well as offer consistent lifegain triggers on your opponent's turns
Finding an eager market of mainly young players, Pokmon became a multimedia universe of cartoons, movies, plush toys and trading cards featuring individual characters and their associated stats, similar to baseball cards
This is a major challenge for Accelgor