An Akwesasne, N.Y. native, Terrance helped Team USA win a gold medal at the 2023 U-18 World Championship, scoring 2-4=6 points with a +4 rating in seven tournament games. He scored the tying goal in the third period of the gold medal game, a 3-2 win for the U.S. vs. Sweden. Terrance is the second Mohawk Nation player drafted by Anaheim, joining former defenseman Brandon Montour (second round, 55th overall in the 2014 NHL Draft), and the ninth Mohawk Nation skater drafted in NHL history.