Does not include sleeves, which are required to protect your cards Accessories are cheap and underwhelming
Pretty lame it isnt land type Lair though
All three give you commonly played mass removal in Damnation, Blasphemous Act and Cyclonic Rift
Miirym has minor protection and only needs to survive a turn cycle and the game is probably over
For example, in a mirror match against another Articuno EX, Psyducks Headache prevents them from using Misty, meaning that they will need to manually build up Energy if they want to employ Blizzard: meanwhile, you just get to safely set up, opening the door for an extremely advantageous second turn
Think of it like this: Dredge decks need to dump cards in the graveyard to trigger effects like Narcomoeba, so self-mill more or less equals drawing cards