The 2013 draft class was trash. In most drafts, you can get good role players or better with picks in the 20+ range. Here are some key players drafted 20+ from the 2014, 2015, 2016 classes:
2014 #41 - Nikola Jokic - 2x MVP
2014 #25 - Clint Capela - 2021 rebounding champ
2014 #39 - Jerami Grant - 21 pts, 4.4 reb last 2 years
2014 #46 - Jordan Clarkson - 2021 6th Man of Year
2014 #38 - Spencer Dinwiddie - 21 pts, 6.8 ast in 2020
2014 #27 - Bogdan Bogdanovic - All rookie, 152 starts
2014 #30 - Kyle Anderson - 248 career starts
2014 #33 - Joe Harris - 249 career starts
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2015 #32 - Montrezl Harrell - 2020 6th Man of Year
2015 #22 - Bobby Portis - 14.6 pts, 9.1 reb, 2021 Champ
2015 #46 - Norman Powell - 21 pts last year, 2019 Champ
2015 #40 - Josh Richardson - 306 starts
2015 #30 - Kevon Loony - 150 starts, 3x NBA Champ
2015 #37 - Richaun Holmes - 160 starts
2015 #31 - Cedi Osman - 181 starts
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2016 #27 - Pascal Siakam - 2X All-Star, NBA Champ
2016 #29 - DeJounte Murray - 1x All-Star, STL champ
2016 #36 - Malcolm Brogdon - 2017 RoY, 20 pts, 6 ast last 2 years
2016 #20 - Caris LeVert - 18.4 pts, 4.7 ast, 4.1 reb last 2 years
2016 #32 - Ivica Zubac - 227 starts
2017 adds: Jarrett Allen (22), Kyle Kuzma (27), OG Anunoby (23), Derrick White (29), Josh Hart (30),
Don't get me wrong, I still think Utah could have gotten better picks for Mitchell, but they will have so much volume that at least a few of them should hit. They also should be able to combine picks and trade up.