mtg cards like parallel lives it creates twice that many of those tokens instead. What is the difference here

You could run Mardu, or Esper or Abzan

Every new Vampire spell enlarges your board presence

This massive change was made after the set had been designed, so there's a chance that some exceptionally powerful cards could make it into Standard

Unfortunately won't give Myra a shot because she uses an Unfinity mechanic, but her ability is pretty simple and the summary is simply that whenever you cast an instant/sorcery from your hand Myra creates an artifact and she can then imprint instants / sorceries onto those artifacts and cast them for free each turn

Some Mythic Rare Creatures Beyond these two artifacts, the next most valuable cards from Aetherdrift include a smattering of mythic creatures

Wulfgar of Icewind Dale Oh, you know, just your average Gruul attack trigger doubler