DJ Johnson: This card is bad
but if you plan on the copies sticking around, you need something that makes them nonlegendary
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
It might be the best of the Commander 2019 decks if you want to pull the new legends out of the deck and build around them since both Anje Falkenrath and K'rrik, Son of Yawgmoth have the potential to be extremely powerful when leading the right deck
Teferi himself appears in Core Set 2021 too, with four variants of the card Teferi, Master of Time, plus two associated enchantments and a new creature card, Teferi's Protege
Grand Arbiter Augustin IV this is a fun card, reduce the cost of your own spells while taxing your opponents