The short version is that there's a cap on the value of the cards in a Magic set while it is in print, because if the cards in the set ever end up being worth so much that it's profitable to open a sealed booster box, people will open boxes, increasing supply and driving down prices
Trigger [Trigger] Give all of your opponent's Characters 3000 power during this turn
If you want to keep an outlet for it still, I would recommend maybe a Viscera Seer over Blasting Station
Looking for a breakdown of the inner workings of the Sothera system and its denizens
Serialized Elven, Dwarven, and Human Sol Ring cards can only be found in some of The Lord of the Rings: Tales of Middle-earth Collector Boosters
Many of them will offer cash upfront, usually based on market prices from sites like TCGplayer, though youll only be getting between 50-80% of a cards actual worth this way