has grown exponentially since its creation, and today it has several very powerful cards, which can be better or worse depending on the decks and staples that are trending at the moment
Grixis has ways to protect Kefka, buff it, or give it a form of protection that will make it easier for you to attack safely with this card and get extra cards from it
The reason Illustrator Pikachu is so valuable is because only 39 were ever made
We're playing a couple Illusions in the deck, like Phantom Steed, but the majority of Illusions are going to made by triggering Minn through card draw: Merfolk Looter and All-Seeing Arbiter can guarantee triggering Minn on our own turn, while cards like Arcanis the Omnipotent can trigger her on any turn
While it's hard to nail down a solid price, the market price provides a fair average to give you an idea of what you can expect to pay