You might be able to do something using plot to set up spells, then sacrificing this card to unload, but the more likely use case is slotting it into the sideboard for times when it'll be really impactful
Over on the official Pokmon website, a release date for Perfect Order has been confirmed, along with new ex cards, the Elite Trainer Box, and several other items that will be a part of the set's launch
As for dual colours, eight are Dimir (blue and black), 19 are Rakdos (black and red), four are Gruul (red and green), five are Orzhov (white and black), one is Izzet (blue and red), 14 are Golgari (black and green), and six are Boros (white and red)
This makes the strategy able to copy the effects of Darklord Spell and Trap cards with Darklord Ixchel's other effect
The best in the business, without a doubt
He may be just a little guy, but he does have deathtouch