Onagga, the Seeker

Level up {w}{u}{g} ({w}{u}{g}: Put a level counter on
this. Level up only as a sorcery.) 1/3
Level Vigilance
1-3 {t}: Put a level counter on another target
` creature. 3/4
Level Vigilance
4+ Level up creatures you control on their
` highest level have double strike. 5/5