With the amount of legendary lands, artifacts, planeswalkers, enchantments, and creatures available, Galina is hugely powerful and can be the singular cause of all theft by herself
In many situations, a card with a playable spell on one side and a passable land on the other becomes much greater than the sum of its parts
Pyroblast and Red Elemental Blast shut down everything from Thassa's Oracle to Rhystic Study, while Hydroblast and Blue Elemental Blast take out key red threats like Jeska's Will or Ragavan, Nimble Pilferer
Don't try to build a deck using these cards for Standard or Modern
Regardless, I believe I will be returning to her later in the year, as I get a better sense of her place in the format and we see what the untitled third Ravnica set it