For two mana, you can force an opponent to mill ten precious cards (or at least burn an MTG counter spell to prevent this)
This lets you keep it safe from combat as it sends its cohorts of warriors to war
Tokens are removed from the game when theyre put into a zone besides the battlefield, so tokens with persist will cease to exist before persist can put them back into play
Pokmon TCG Pocket's friend system is appropriately basic for a series from the Nintendo school of online play: you add someone via their lengthy friend code and then can only interact with them either by viewing their profile and collection, having a private battle, or, from time to time, having five of their cards pop up in Wonder Picks
You mill cards, you reap the rewards
The preconstructed deck runs 17 Demons, which while certainly enough to provide incidental value isnt as many as youd want in a deck built around Belakor