These are the main reasons for price increasing over time
Now, with their newest reveal, fans of British comedy everywhere can rejoice: Monty Python's 1975 classic "The Holy Grail" is getting its very own set of cards
Professor Dellian Fel has been an important part of this deck
The last Doctor card in the Blast from the Past set is The Eighth Doctor, a card that forces the player to mill three cards when it enters the battlefield, and then allows them to play a historic land or cast a historic permanent spell from their graveyard - whenever they use this ability, the chosen card is exiled when it leaves the battlefield
Often times an opponent will try to negate her effect with something like Breakthrough Skill and then roll over her with a large Special Summoned monster, but thanks to Dark Renewal, you can use her to remove another monster, and then revive her right back no longer negated