Southpaw Bruiser

As Southpaw Bruiser enters the battlefield, you may pay 3 life. If you don't, Southpaw Bruiser enters the battlefield tapped.
"Little trust is earned in words alone, showing you are willing to bleed for their kin is the first step in establishing an alliance with the Southpaw Clans. If you are willing to sacrifice your safety for their family, the Southpaw will fight and die by your side."