The original Khans of Tarkir (due to a lot of work by Erik Lauer) is considered the first time R&D really handled three-color design well
[55] Playmaker pursued them, but he was unable to prevent Harlin and Bohman escaping into the restricted area of LINK VRAINS, as Harlin left him with a cryptic warning that something unimaginable would happen soon
(And with double the cards per pack, about two-thirds of packs should have at least one luxury rare this time, and around a third should have more than one
War of the Spark Prerelease Pack $59.99 US Shipping Only Due to export restrictions, this item may only be shipped to addresses in the United States, APO/FPO addresses, and Puerto Rico
Paired with the powerful removal options a Merfolk deck gains access to through white mana, there's a strong case to be made in favor of Azorius Merfolk decks helmed by Sygg