Mrittele budjetti ja aikaraja jokaiselle pelikerralle
That's pretty saucy from where I am standing, as free dork abuse in the Command Zone can be broken as we know, but here you need to spend six mana, tap it and wait a turn, and then you just don't know what you'll get, if anything, hence it making my second list back here in the Honorable Mentions, but worth it all up and down, and make that choo choo sound
Slowpoke costs 35 Pack Points to craft
Lots of animations: creatures attacking players, destroy effects, pump spells, etc
Knight of the Mists (Mirage/Visions/Weatherlight) Visions gave all of the colors a lot of great 187 creatures - creatures which had comes-into-play effects
We used to get spoilers and previews a few weeks from release, but with recent set releases Wizards has pushed announcements like these further out