Difficult casting cost, but I could see this as a signpost uncommon in a 3-color set
Well, there are mass removal effects that get around indestructible - tucking and exiling
Fang, Fearless l'Cie An average body, with a somewhat fiddly card draw feature, Fang gets a bit of a boost from the novelty and fun of being part of a meld pair with Vanille, Cheerful lCie turning into Ragnarok, Divine Deliverance
Soul of Ravnica does compare to Deep Analysis and other draw spells in a certain way, but it won't draw too many cards if the build is not dedicated to it
Its still an okay infect card because when it gains that ability, you get a great chunk towards infect damage on an opponent to win the game
With only a short time span for the competitors to adapt and experiment, the addition of this sixteenth Standard-legal set hasn't dramatically reshaped the metagame