If you can't, exile it, then you may cast the exiled card without paying its mana cost." Whenever an Assassin you control deals combat damage to an opponent, cloak the top card of that player's library
Basically, Recurring Nightmare gives us a repeatable way to reuse the enters-the-battlefield triggers of all of our creatures, which generates an absurd amount of value, especially if we happen to have a Panharmonicon or two on the battlefield
Star Trek is expected to lean heavily into the Station mechanic introduced in Edge of Eternities, so you'll be powering up space stations in order to turn them into powerful creatures
Slide it in carefully, or you may damage the edges
I hope you guys find the lists useful as well, since there are plenty of eye popping numbers in the data especially concerning uncommon foils
Standard rotation allows players to use recent cards without the need to acquire all the old rare and expensive stuff