Its free-to-play and addicting, and people have already spent a TON of money on it, much to the joy of The Pokemon Company
If they cant pay X, or refuse to, they still tap all their lands and empty their mana pool, rendering the rest of their turn awash, more or less
Running a high number of supporters as this deck does often gives you multiple choices when you use Attract Customers to look at the top 6 cards of your deck, making it much more likely to find the exact card you need when you need it most
Later in the game, you can pay two black and two red, as well as exile five other cards from your graveyard, in order to bring Kroxa back onto the battlefield and force your opponent to discard again
Collective Unconscious AND Shamanic Revelation Next are all of the "Draw cards equal to your critter count" which are better than Regal Force since they count all dorks even colorless or other colors
Stardust Dragon - Victim Sanctuary Level 8 WIND Dragon / Synchro / Effect 1 Tuner + 1+ non-Tuner monster(s) You can only use each of the [1] [2] effects of this card once per turn, also they cannot be activated in the same chain