Its great post-Wrath when people usually have only one, fairly big dude, but its often a dead draw when they have small utility creatures (like Eternal Witness)
These stars are: Charizard (Base Set) a very storied card and the prize possession of many a kid (not me, sadly)
This sagas second and third chapters undo some of its damage, so its a little less overwhelming than some of the other options
They are crown jewels for a collection
You can use the oozes tokens or Hanweir Garrisons tokens as sacrifice fodder, you can double their attack triggers with Isshin, Two Heavens as One theres just lots of places you can slot these cards into in the hopes of melding them into one massive threat
In 2019, head designer Mark Rosewater said the company was "still experimenting with it" and next year we got Feed the Swarm