The color support in the Magic: the Gathering Standard format is well established with the various dual nonbasic lands starting with the pathways from Zendikar Rising. Hence, the three-color deck builds are still good contenders in the metagame with the little issue on the mana fixing.
Today’s Standard feature is a three-color deck of the colors that had become an iconic archetype back in the Khans of Tarkir Standard, and that is the Abzan (Black-Green-White). The decklist’s source is from the result of the Best Of 3 Cup Preliminary @ Total Jank Games and was played by Tim Calvert.
I like his creature choices wherein he considered the card value of each of them With the variance of utility creatures in the deck’s lineup, it will surely get to an efficient late-game plan and at the same time cope up with aggressive opponents.
Check out the full decklist below.
Reference: https://www.mtgtop8.com/event?e=33883&d=458013&f=ST