As normal, a lot of the new regional Pokemon from Paldea feature in the base set
Maybe the end with Magic 2014 Jund was a bit too good with Scavenging Ooze against the Abzan Aristocrats decks, but the format had more than enough flex to fight back if there was more time and iterations to develop against it
If an opponent controls that creature, put a stun counter on it
(1) BONUS booster pack of 12 randomized cards
Delusions of Mediocrity is the perfect example of this, granting you 10 life right away and saving you from the downside of losing said life once it is destroyed
While it can be dealt with cleanly by a Swords to Plowshares, assuming you managed to hit a creature or planeswalker of theirs, they would have paid three cards (Swords, discarded card and creature/planeswalker) for your one (Entomb/Faithless Looting and reanimation spell offset by drawing a card)