Were expecting to see this pop up in plenty of Emerald decks now that Shimmering Skies is in the hands of players, at least in its Uncommon form
Glen Elendra Archmage: Glen Elendra Archmage can trade with two spells, or just block a 2/2 and then a 1/1
Phyrexia: All Will Be One is the third of a four-set series that covers the Phyrexian storyline, where the titular mechanical fiends seek to conquer the Magic the Gathering multiverse plane by plane
Golgari has plenty of powerful reanimation targets, such as Sheoldred, Whispering One to let you reanimate even more, along with Razaketh, the Foulblooded and Ancient Brass Dragon being other powerful targets
Despite being printed in four different sets, this keeps the price of Dual Lands in step with Reserved List cards with much smaller print runs
Tarkir: Dragonstorm and Edge of Eternities also had some really powerful designs, and while they weren't my favorite Limited environments, they definitely added some great cards to Standard (honorable mention, Consult the Star Charts)