It can arrive at a moment's notice to tap down your opponent's board, preventing an attack or preventing your opponent from defending
A few notable cards in this deck include Fred - Mascot by Day which is a nifty card that gives the player 2 Lore points whenever it is challenged by the opponent
One particularly damning thing to note is this chart: This table shows that with 7 Swamp and 7 Plains, you will have the required Plains to cast a turn-3 Territorial Hammerskull only 85.9% of the time (on the play, in absence of mulligans or card selection)
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While six mana for only a total of 2/3 power and toughness seems pretty steep, being able to sift through the top eight cards of your deck on top of getting two bodies on the battlefield is actually a pretty solid rate