In fact, a lot of the time if they are on the play and they attack with Adventurer, you should not block with Thalia, because if you dont then they likely wont have a Turn 3 play
As I mentioned before, the most powerful way to build Commander decks with MDFCs is to cut five or six lands (usually basic lands or other utility lands that tap for one color of mana) along with two or three spells and replace them with MDFCs so that you end up with something like 31 or 32 "real" lands but 40 or 41 total lands
As if this werent fiendishly clever enough, Mark could actually transform into an even more dedicated Cranial Extraction deck himself, even featuring a Psychic Spear for added flexibility in Gifts piles, letting him punish opponents who had scouted him and knew of his transformational plan
Reveal Cataclysmic Gearhulk, and it doesnt matter if they take it or not
Hewed Stone Retainers is decent for sealed but probably unplayable in draft