You have said it yourself: This was a careful but clear “yes” (see Matthew 26:25; 27:11). In Mark’s account Jesus answers, “I Am” (Mark 14:62).
you will see: By quoting Daniel 7:13, Jesus confirmed he was the Son of Man who God would vindicate and honor.
sitting at the right hand of Power: See Psalm 110:1. Jews often avoided saying God's name directly (see study note on Matthew 5:4).
The phrase coming on the clouds of heaven might refer to the destruction of Jerusalem in AD 70 or to the return of Jesus at the end of history.