I know you said you dont want to sell/donate but those are definitely the most common (and best imo) options, especially if you have a large volume
While this might not seem like much, many of these cards sell for serious money
As long as you have lands tappi9ng for a total of 5 or more mana, you have infinite combats, letting Narset swing at players until everyone (other than you, of course) is dead
Increases: Watch Your Inbox, Run Events Each season, we'll send out your numbers in the weekly WPN Update, including your promo pack total and what you can do to get more
The later release Western artwork subtly hides the fact its a slot machine, and instead just a slot "game"
The vast majority of cards in the starting pool are Vanilla Units, and the ones that aren't have very simple and straightforward Abilities