Taze, the Swift

Flying
Level up {r/g} ({r/g}: Put a level counter on this. Level up
only as a sorcery.)
LEVEL 2-5: Flying, First Strike (4/3)
LEVEL 6+: Flying, First Strike, whenever Taze
attacks, other creatures you control gain first
strike until end of turn. (8/7)
"As the little hatchling grew in size, it also gained
speed and the recognition of others."