We need cards that repeatedly make friends for us to tap
There are no real abuses that you can do with these cards, they will always cost you a mana in your turn, always replace themselves with a new card and should improve the quality of that card and/or the next few
An instant-speed wrath is still useful since you can hold up countermagic if you dont need to wrath, and the devastation is immense if your opponents dont know how to play around it
Even though the main set was released in June, Wizards of the Coast had planned a holiday release for November 3 It wasnt initially clear exactly what the holiday release would entail until todays preview panel at MagicCon Las Vegas, where we learned that it will feature new scene boxes and new card styles in special edition Collector Boosters
Both of these cards take up a lot of life, though, and so they come paired with a health amount of lifegain in cards like Papalymo Totolymo, and Y'shtola's own ability.