thunder junction mtg most expensive cards spoilers include fantastic $43 reprint The 10 Most Valuable Cards

It's a better haste enabler since it also doubles the size from the previous one and for no mana, but that can give it to your entire team and make free 5/5 so it's just one better to my mind, but you might prefer the above tag-team

It's a bit boring, and it's quite pricey, but it's hard to argue that Slivers happen to be the best tribal contributor to the deck, and Overlord can repeatedly fetch up all our tutors along with other support cards like Gemhide Sliver and Sliver Legion

If it's copying a transforming permanent whose back face is up, the token will enter with its back face up

You can't just poison them

But I also want to look out for cards that were excluded from the precon, like Ebonblade Reaper, which can drastically change an opponents place in the game, or Primordial Mist, which can turn manifested instants or sorceries back into spells