Czyz was drafted by the Oakland Athletics in the 12th round of the 2022 MLB draft out of Cosumnes River College. While at CRC, he pitched in 15 games while delivering 85 innings with a 2.96 ERA. Before Czyz was drafted, he pitched in four games for the Frederick Keys of the MLB Draft League while maintaining a 1.50 ERA. During his first season in professional baseball in 2022, Czyz played for the Lansing Lugnuts in High A and in the Arizona Complex League, where he posted a 2.35 ERA in six games while striking out 12 batters. In 2023, Czyz played for the Low A affiliate of the A’s, the Stockton Ports, and again in the Arizona Complex League, as he played in 36 games while holding a 5.98 ERA and striking out 42 batters. Czyz started the 2023 season playing for Stockton, where he made 33 appearances while holding a 5.44 ERA as he delivered 35 strikeouts in 41.1 innings pitched before he was released by the A’s in late July. Czyz joined the Oakland Ballers of the Pioneer League for the remainder of 2024 as he played in six games while striking out 14 batters and holding an 11.91 ERA in 11.1 innings pitched.