Each upkeep, you put an age counter on your card, then pay the cumulative upkeep cost for each age counter on it
As a bonus, if Enkira is equipped with any cards, your opponents are forced to block her with creature, which can help whittle down your opponent's valuable creatures while you make unfavorable blocking scenarios.
Grima, Saruman's Footman, Knollspine Dragon, Notion Thief, Shelob, Dread Weaver, Boon of the Wish-Giver, Decree of Pain, Deep Analysis, Lidless Gaze, Fact or Fiction, Relic of Sauron 10 card draw
Its also likely your playgroup will be okay with you including them in the 99 of your deck since none of the individual cards are too overpowered
Winterspell is now available to buy at most major retailers, but I'd recommend at least picking up the Booster Display Pack for $144 at Amazon to really get you started with the new set
Doing a proper draft with two people isnt really possible, but there are some adjustments you can make to the format if youre just playing with one friend