Ok Boomer

Counter target spell if its controller was born between the years of 1946 and 1965.
"Ok boomer" "Said the boomer" "Said the boomer" "Said the boomer" "Said the boomer" "Said the boomer" "Said the boomer" "Said the boomer" "Said the boomer" "Said the boomer" "Said the boomer" "Said the boomer" "Said the boomer" "Said the boomer" "Said the boomer" "Said the boomer" "Said the boomer" "Said the boomer" "Said the boomer" "Said the boomer" "Said the boomer" "Said the boomer" "Said the boomer" "Said the bo