Gangplank, saltwater scourge

[LEVEL 2], Trample
When gankplank enters the battlefield and at
the beginning of each upkeep, you create a
Powder keg creature token.
Whenever Gankplank attacks, he deals 1
damage to each opponent. You may sacrifice any number of powder kegs, this ability deals 1 additional damage per powder keg sacrificed
this way.