Expect a land and an ad/token card, plus: 6 common 3 uncommon 1 rare/mythic 1 common that could be from The List 1 nonfoil wildcard of any rarity 1 foil wildcard of any rarity Set boosters lasted a few years, and had success, so Wizards brought what players like about set boosters to the draftable experience
Subira is kind of like Red's version of Edric, Spymaster of Trest, supporting Weenie decks by providing tons of card draw potential
Four damage for no mana at instant speed to any target is incredibly great however
(Damage dealt by the creature also causes you to gain that much life.) Rufus Shinra Rarity: Uncommon TYPE: Legendary Creature SUBTYPE: Human Noble CMC: 3 Mana cost: USD: $0.17 EUR: 0.09 TIX: 0.03 EDHREC RANK: 12962 (2/4) Whenever Rufus Shinra attacks, if you don't control a creature named Darkstar, create Darkstar, a legendary 2/2 white and black Dog creature token
It's also worth pointing out that since Spirit of the Labyrinth is an enchantment creature, both parts of the combo are tutorable with Zur the Enchanter and Idyllic Tutor and can be protected by Greater Auramancy
While this is unlikely to be of any use to an aggressive deck or one that makes use of graveyard strategies, any deck that likes to take its time is probably going to want this around