Dragon Master Magia is a dragon fusion effect monster with 5,000 attack and 4,000 defense that must be fusion summoned onto the battlefield
You wouldnt mind taking a mulligan or two just to be able to get that pair and use a couple of life to make up for the difference
There are some versions and releases that are rare and i believe that is what you are seeing with some higher value cards rather than the cheap ones
Rarity and Demand Much like a Charizard in the wild, some cards are just harder to find
With him in play, your opponent is the only one that is actually punished under the bulk of your taxing cards
They would all exile a card from the graveyard at different points (enters, attacks, dies, etc.), then they would have a second ability that related to the exiled card