Finale of Revelation requires 12+ mana to get all its perks, but that includes untapping some of your lands, shuffling your graveyard into your library, and removing your maximum hand size for the rest of the game
WotC pivoted to using an acorn-holo stamp in Unfinity instead of the standard silver borders usually used to identify legality in joke/supplemental sets
Bumbleflower Zinnia, Valley's Voice Jace, the Mind Sculptor Liliana of the Dark Realms Chatterfang, Squirrel General Nissa, Who Shakes the World Do Raised Foil Cards Warp or Bend More Than Regular Foils
Players who have engaged in MTG for quite some time wont have an issue understanding what these are, but newer players who want to try Magic for the first time to create their Doctor Who episodes may be left a bit perplexed
The next section is the big finish section
It's almost like a Huntmaster of the Fells in that regard, if Huntmaster wore a fanny pack full of army men and Godzilla toys