Luke Hughes, middle, with his brothers, Jack (far left), of the New Jersey Devils, and Quinn (right), of the Vancouver Canucks, at the 2019 NHL Draft in Vancouver.
Power (6-4, 213) scored 40 points (12 goals, 28 assists) and 19 power-play points (five goals, 14 assists) in 47 games for Chicago.
"Power is a big defender who moves well for his size and looks to be a top-pairing defenseman moving forward," Greg Rajanen of NHL Central Scouting said. "He's poised with the puck with solid puck decisions."
Clarke (6-1, 180), a right-handed shot, scored 38 points (six goals, 32 assists) and had nine power-play assists in 57 games as a rookie for Barrie this season.
"Brandt is an extremely mobile puck-moving defenseman with high-end hockey IQ," Joey Tenute of NHL Central Scouting said. "He's an excellent passer and playmaker with great vision and execution. He's excellent on the power play and a quarterback from the back end that sees the ice so well moving the puck up ice to the right option."
Chayka (6-2, 179) scored 34 points (11 goals, 23 assists) in 56 games in his second season with Guelph.
"Daniil is a very smooth-skating defenseman with excellent mobility," Tenute said. "He's extremely calm and poised with the puck and pushes the pace of play up ice. His size gives him excellent range to defend, and his long reach and stick on puck makes him hard to beat."
Guenther (6-0, 166) scored 59 points (26 goals, 33 assists) and eight power-play goals in 58 games as a rookie this season. He set an Edmonton record for goals by a rookie, surpassing Trey Fix-Wolansky (24) in 2016-17, and points by a rookie, passing defenseman Martin Gernat (55) in 2011-12.
"Dylan is highly skilled and an elite offensive talent," John Williams of NHL Central Scouting said. "He's a very good skater, quick and fast. He was a top-line player for the Oil Kings as a 16-year-old."
Johnson (5-10, 159) led the BCHL in goals (41), assists (60), points (101) and 39 power-play points (14 goals, 25 assists) in 52 games for Trail.
"Right now, he's slated to be at the University of Michigan in 2020-21**