Play boosters only have 14 draftable cards because thats the number that Wizards figured would work best in maintaining the booster opening experience while still allowing players to draft with them
If we play it as the last card in our hand, we can easily spend our next several turns dumping mana into it rather than letting our mana go to waste
Kefka's Tower (Bolas's Citadel) I thought for sure Kefka's Tower would be printed onto Command Tower, but it looks like Wizards of the Coast wanted to avoid Commander-only cards, which is welcome
However, it boasts an outstanding design: golden outlines frame both the card and the character, creating memorable accents
Legendary Planeswalker - Tezzeret Commander (CTRL to add secondary) Drain Marionette Apprentice Fabricate 1 (When this creature enters, put a +1/+1 counter on it or create a 1/1 colorless Servo artifact creature token.) Whenever another creature or artifact you control is put into a graveyard from the battlefield, each opponent loses 1 life
BlackBullers didn't specify how difficult this deck is to play