These force your opponent to discard a card from their hand, and while this might not appear all that powerful at first glance, repeatedly forcing your opponent to discard cards or being able to choose a specific card from your opponent's makes discard effects worthwhile
OK, let's take a look at some other iterations: Panorama Fetches These can tap for a single colorless mana and can be useful for decks that use artifacts alongside multiple colors
cards that net you 2+ cards in hand 10 card draw
July 30, 2024: Added 10 new packets from the Bloomburrow (BLB) set, removed packets from Dominaria United (DMU) , The Brothers' War (BRO) , Phyrexia: All Will Be One (ONE) and March of the Machine (MOM) sets.
Another card that provides card advantage as you manifest creatures, Kadena, Slinking Sorcerer was designed to make a great face-down creatures commander