Any good card in Magic advances the state of the game towards your win condition
The combination of countermagic and removal that decks using this card provide is more than enough to help you dominate games once it resolves and consistently connects over multiple turns
Persist reads: When this creature dies, if it had no -1/-1 counters on it, return it to the battlefield with a -1/-1 counter. Because +1/+1 and -1/-1 counters cancel out, you can create a loop with: Any free sacrifice outlet Two Persist creatures You need two because Long Fengs trigger requires a target as it goes on the stack before the Persist creature returns
Jousting Dummy is another excellent example of a tiny bit of power creepBronze Sable was truly awful, but with an expensive bit of Firebreathing and a relevant creature type, plenty of decks have a replacement-level curve filler in a moncolor-friendly format where such cards are more necessary
Which box was your favorite to open
Modern is probably the most popular of the bunch, but they all have different ban lists and rules