Attacking creatures you control get +1/+0.
Illustrated by Ben Thompson · Seventh Edition · #206★
There are no rulings for Orcish Oriflamme.
Flying
Attacking creatures you control get +2/+0.
Creatures you control get +1/+0.
Attacking creatures you control get +1/+0 and have menace.
Dragon creatures you control get +3/+3.
Attacking non-Human creatures you control get +1/+0 and have trample.
Sliver creatures you control get +2/+0.