By paying X, tapping, and sacrificing Karns Sylex at sorcery speed, you can destroy each nonland permanent with mana value X or less
And it's a bigger 1/2 so it can block a 1/1 and survive
Inkshield goes a step further, heading off a potential killing blow from an opponent and likely unleashing a devastating torrent of tokens from your token doubler effects
Might be good for decks like Henzie on a budget, or in builds that sacrifice creatures constantly
Not much as of yet, but I imagine that will change, as it can be a great card in the right deck
City's Blessing Card Once you have ascended to the highest temple of Orazca, the power of the Immortal Sun is yours to wield forever