(To mill a card, put the top card of your library into your graveyard.) Once Deranged Assistant's ability has been activated, it can't be reversed for any reason
Any abilities that triggered during this process are then put on the stack, starting by those controlled by the active player in an order of that player's choice, then continuing with each other player's abilities in turn order
#10: Gev, Scaled Scorch This Rakdos Lizard may be cute, but hes one hell of an aggressive Commander
Cards like the Charizard 1st Edition Shadowless PSA 10 reached $420,000 in March 2022, while the ultra-rare Charizard Topsun Blue Back sold for $493,230
There are certainly any number of loops that would have you casting Boneyard Lurker again and again, like in a Karador, Ghost Chieftain deck