The Dragon didn't specify if this deck is better at going first or second at the start of the duel
There are so many +1/+1 counter synergies these days that its incredibly easy to make an oppressively powerful deck with that strategy, and I personally dont like the mental energy required to keep track of all the various triggers those strategies accumulate on the battlefield
Ob Nixilis is an example of a high-impact card
And thats before you consider that the tokens Kinzu creates have toxic 1, letting you pursue a poison plan if you cant grind your opponents out with value alone
The new Pokemon TCG set Fates Collide is out in the wild and weve got a list of the 10 best cards that you should snag, not to mention a couple outstanding reprints
Synchro, Xyz, and Link Monsters can be Special Summoned during your Main Phases at any time, so long as you have the material requirements listed on the card