W'Kabi, Shield of the Nation (#70)

Type: Legendary Creature — Human Warrior Hero

Text: Vigilance
Whenever you attack with your commander, if you control an artifact with mana value 4 or greater, create a 4/4 green Rhino creature token with trample.

"Direct me to that which you wish stomped flat. It shall be done."

Set: Marvel Super Heroes Commander (#70)