Bruna, Light of Alabaster Bruna, Light of Alabaster brings aura synergies to the table, with the holy grail probably being Eldrazi Conscription, the Colossus Hammer of auras
The spell can't be countered if the mana produced by Cavern of Souls is spent to cover any cost of the spell, even an additional cost such as a kicker cost
It fits in an Energy deck, sure, but it can also go into decks with Experience, +1/+1 counters, and all kinds of other counters
Youll most likely see opponents casting green ramp spells or cracking fetchlands during any given Commander game, so you might as well get some profit out of it with Deep Gnome Terramancer
A Year is a Long Time Im excited to see some official information on the rules for the game
Visit the Magic: The Gathering Foundations Card Image Gallery to see all the cards in the new set, including how to collect them in MTG Arena