Mechanically, they tend to have abilities that emphasize their love of consumption, gaining temporary stat buffs when you, their controller, makes some kind of sacrifice, from sacrificing forests to, yes, skipping your next turn
Ark of Hunger is a sweet design, a mix between Outpost Siege and gravebreak wincon, and if that second part is ever going to truly work for Boros, this card will have something to do with it
The deck starts by casting a number of efficiently costed creatures with strong secondary abilities including Malcolm (loot/draw effects), Breeches (create treasure/unblockable/draw effect), Staunch Crewmate (draw effects), Captain Storm (+1/+1 counters), and many more
Sorcery Color tag templates(None) Peer into the Abyss Target player draws cards equal to half the number of cards in their library and loses half their life