This is a Jund (Black/Red/Green) deck focused on -1/-1 counters, a mechanic we havent seen supported properly since the original Shadowmoor block
Once you get into the free rental programs, you can immediately start building and playing Commander decks that would cost hundreds of dollars in paper, competitive budget Modern / Pioneer decks, and much more
Not everything thing was smooth sailing with the release of Shining Fates though
Sorcery Color tag templates(None) Discard (CTRL to add secondary) Vampire Spawn When this creature enters, each opponent loses 2 life and you gain 2 life
It only adds even more value and pressure to your games
(You may cast it as a sorcery on a later turn without paying its mana cost.) Whenever a legendary creature enters the battlefield under your control, put a +1/+1 counter on each creature you control