Black has a bunch of non-black staples
But power level is very clearly a factor, too
Los precios que se muestran son los menores para Wattrel la ltima vez que actualizamos
The bane of white-blue decks in that format was Cabal Torturer, and without Psionic Gift, the only good way to deal with this creature was to splash red or black as a third color, weakening your mana base
Zhur-Taa DruidZhur-Taa Druid While a lot of people would rather have a mana rock like Mind StoneMind Stone that's harder to destroy and can replace itself, or Talisman of ImpulseTalisman of Impulse which can actually fix your mana rather than requiring it, Zhur-Taa DruidZhur-Taa Druid is still a very viable option for more aggressive decks that still want to ramp
Until end of turn, your life total can't change, and permanents you control gain hexproof and indestructible