If you've completed a dungeon, you may play that card this turn without paying its mana cost
Another direction we could go with Mindwrack Demon is something a bit more aggressive, less ramp-y: Creatures (22) 1 Den Protector 4 Mindwrack Demon 4 Deathcap Cultivator 4 Obsessive Skinner 1 The Gitrog Monster 4 Inexorable Blob 4 Moldgraf Scavenger Lands (23) Spells (15) This list is really more of a Dredgevine deck, shoving all-in on delirium and getting extra value for having it early and often
21 Sek'Kuar, Deathkeeper Turn Your Sacrifices Into Legions A highly underrated aristocrats commander, Sek'kuar, Deathkeeper can provide additional value to the deaths of your creatures
Both commander choices are great for the deck, and unlike most cases, where there's a clear "best" commander, the choice between Tidus and Yuna is completely up to personal preference (although Yuna is the stronger of the two)
Add to that its lack of common circulation in the US and you have a subset of Pokemon that has proven hard to find
