Hax Shield definitively refers to Fog Shield more than Dusk Mantle. Never heard anyone use it for Mantle.
Others:
Mo? -- Master of <whatever element starts with the last letter>.
Denial - A form of deck that relies on taking away your opponent's ability to cast things by preventing them from having any quanta. Pests, Earthquakes, Black Holes, and Discords are the most common forms of Denial.
Charge - A form of deck that starts slow, but builds to a huge finish, usually through the use of Fractal. Eternal Phoenix has a Charge deck.
Dominator - A form of deck that features a creature rush coupled with significant creature control, designed to take out Rush decks.
Mono-Aether - A specific deck that relies on DimShields and entirely Immortal creatures to make all of an opponent's offensive creatures and creature-control cards useless, thus winning through a strange form of card advantage.
Poison - A deck type that relies on dealing damage through poison counters, bypassing shields and creating a situation where simply surviving long enough becomes a victory. Limited to
,
,
, and
decks.