There are only a handful of good combo decks left in the format after the Simian Spirit Guide ban, which is where a free Negate is usually at its strongest
Apart from its vanilla creatures, much of the deck is focused on flying creatures and doing direct damage
Serialized versions of The Aetherspark can appear in Collector Boosters of any language, but the card will always be in English
In these decks that have a lot of very-low-investment artifact generation, Oko can function as a supercharged, cheaper Gideon, Ally of Zendikar that gains loyalty to make 3/3s every turn, except the 3/3s can attack right away (because youre using the ability on artifacts that were already on the battlefield) and the Oko gains loyalty and costs less mana
Ive toiled away to bring you this rundown of what you should care about from the set what you do with that information is up to you, but if youre anything like me, youll be fired up to build some new decks and buy some singles