They are permanents with no regular card representation or casting costs
Players will likely get to know these characters quite well since they will be aiding you during your perilous battles
Id likely go with a mana engine such as Phyrexian Altar, and then add things that bring extra value
Awaken the Maelstrom has two targets: the player who will draw cards and the permanent an opponent controls that will be destroyed
You can't choose any player as a target more than once
This Duskmourn: House of Horror Miracle Worker Commander Deck includes 1 deck of 100 Magic cards (98 nonfoil cards and 2 Traditional Foil Borderless Legendary cards), 10 Archenemy cards, a 2-card Collector Booster Sample Pack (contains 1 Traditional Foil or nonfoil alt-border card of rarity Rare or higher and 1 Traditional Foil Uncommon card), 10 double-sided tokens, 1 deck box (can hold 100 sleeved cards), 1 strategy insert, and 1 reference card