Sir Alabus Gladius

Lifelink, Vigilante.

Whenever your opponent create creature token you may pay 2 life, if you do, destroy that token.

{3}{w}{p/w}{t}: Create a copy of target creature token
you control, put it onto the battlefield tapped. If it's white token, you gain 2 life.

{2}{p/w}{t}: Create a Knight token.