Diddy, Life of the Party

When Diddy Life of the Party enters the battlefield add two +1/+1 counters to
all barons you control.
{t}{b}{b} Oil Up: Target creature’s cannot block.
{3} Let the Party Commence: Target creature gets added to Diddy’s List. When Diddy Life of the Party dies, all creatures on Diddy’s List lose -1/-1.