Remember that your local game store is often a great resource for both
With only a short time span for the competitors to adapt and experiment, the addition of this sixteenth Standard-legal set hasn't dramatically reshaped the metagame
Initiative has some very specific things that interact with the deck that don't exactly cross over to other decks (you're not exactly slotting in Virtue's Ruin into your sideboard for anything but Initiative after all), which then eats up into the space in your sideboard
Notice Please note that this deck was uploaded by a DNx user
Extra Deck 15 Amazoness Augusta X EARTH Level 10 [ Warrior / FusionEffect ] ATK 3200 DEF 2800 1 "Amazoness" Fusion Monster + 1 "Amazoness" monster Your opponent cannot target other "Amazoness" cards you control with card effects, also those cards cannot be destroyed by your opponent's card effects
To show how long its been since last I played Merfolk, Im thinking here about decks like Zoo but a similar thing happens now with Jund, and True-Name Nemesis is exactly the right card to fight back against that kind of strategy