What events did Matthew record that depict Jesus as a Priest?

the sacrificial death of Jesus on the cross

Jesus quoting Scripture

Jesus resisting temptation

Jesus offering His blood as an atonement for sin

the sign that was placed on the cross "This is Jesus, Prophet and Priest of the Jews"

The events related to the priesthood of Jesus were The sacrificial death of Jesus and his offering of his blood as an atonement for sin. Even mathiew could talk about the other details, they are not related to the tasks of a priest. The priests in the ancient israel gave to God sacrifices of animals and they entered the blood in the tabernacle as something holy for atonement. These were all foreshadowed events that the mesiah accomplished perfectly