Answered April 17th, 2019

Kyrie Irving is the first Celtics player with at least 35p/5r/5a in a home playoff game since Paul Pierce in 2003.

Who was the last Celtics player with 35 points, 5 rebounds and 5 assists in a home playoff game?
Interpreted as:
Who was the last Celtics player with 35 or more points, 5 or more rebounds and 5 or more assists in a home playoff game?