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
Notably, Solitude can be cast without mana, and that's a powerful effect
Domain Expansion in Union Arena (to use a parallel) and equivalent high-impact One Piece TCG events are often Uncommon
Hewed Stone Retainers is decent for sealed but probably unplayable in draft
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
Its an efficient engine to be sure letting you stock up mana when you cast red spells, which mono-red decks are wont to do