Shield-nose Guardians

Trample. Vigilance.
Whenever Shield-nose Guardians attacks target attacking creature you control with {w} or {g} in it's mana cost gains Trample and Vigilance until end of turn.
The Pachyrhinosaurs of the northern steppe were the last of the Ceratopsians to join with man and elf, what that lack in punctuality they make up for in sheer power.