(If a permanent with a stun counter would become untapped, remove one from it instead.) If you didn't control another Dinosaur when you declared Pugnacious Hammerskull as an attacker, it doesn't matter whether or not you control one as its ability resolves
You may put that card into your graveyard.) The land card you return from your graveyard, if any, isn't a target of the ability
Before we consider anything else, don't forget she can reverse Loot for +2 loyalty, which quickly gets you to her ultimate ability
Since the game does not treat these as lands, playing Balustrade Spy immediately mills its controller's entire library, including a boatload of Creeping Chills, Silversmote Ghouls and Prized Amalgams
Other highlights to look out for when opening boosters, or to consider buying standalone, include the Cloud, Ex-Soldier Commander card, which costs $45.99 at the time of writing