That's because Magda can use those dwarves to make treasures, and then use those treasures to cheat any artifact or dragon from your deck into play
Grand Arbiter Augustin IV this is a fun card, reduce the cost of your own spells while taxing your opponents
This granularity may be relevant for planning out your next turn
And, like its Qasali brethren, the Pridemage can destroy an artifact or enchantment if you pay one colorless mana and sacrifice your card
Dont get too distracted by these gorgeous cards however Black Bolt and White Flare also offers a strong list of both Special Illustration Rare and Illustration Rare cards that are hot on the singles market, making it an ideal choice for collectors hoping to have a high likelihood of landing a hit from each pack
but if you plan on the copies sticking around, you need something that makes them nonlegendary