their spoiler card is Harmless Offering, which for two generic and one red mana lets target opponent take control of a target permanent that the caster controls
Standard accommodates both best-of-three (players play three games, with the winner of two matches taking final victory) matches with a 15-card sideboard and best-of-one games with a reduced 7-card sideboard
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
However, if an additional cost includes a mana payment, you are forced to pay that cost only if there's enough mana in your mana pool at the time you cast the spell
Furthermore, youre in red so you can have a Deflecting Swat at the ready for protection
At the upcoming Magic World Championship 30, he is without a doubt one of the favorites, and he could possibly become the first player to have his likeness immortalized on a second World Championship card