Once per turn you can flip 3 coins, and for however many heads you get, you can destroy up to the same number of (face-up) monsters that your opponent controls
It also gives you the versatility of running a full EX deck if you want to, and then you get around things like Sigilyph (LTR 66/113) and Suicune (PLS 20/101) that block your EXs from attacking
note that the Snorlax promo had new art, potentially lending credence to the idea that art rights played an issue
Mystery Garden: Draw cards until you have as many cards in hand as you have Psychic Pokmon in play
Mad Hatter, Gracious Host is a fantastic, annoying card
With a Mardu card in the Command Zone instead of a Rakdos one, youre free to splash for Priest of Fell Rites and play bombs like Iona and Ashen Rider that you otherwise wouldnt have access to