theres also something to be said for its greatest use requiring you to have a handful of lands but this sees a fair amount of play and is incredible with landfall commanders like Tatyova, Benthic Druid and Tannuk, Memorial Ensign that keep cards flowing
The rules of the game are streamlined so that new players can pick it up quickly, but the cards will have nuances that allow for deeper strategic elements, especially in the building of decks, that give the game more depth for advanced players
Maybe Rat leader Karumonix, the Rat King
This feels like WOTCs thesis project, trying to see if they can make activated abilities matter again
What was in the Plasma Storm ETB
Then put X +1/+1 counters on each creature you control, where X is the number of cards in your hand