Luigi, Jack of Trades

Luigi, Jack of Trades has 2 +2,+2 counters if your opponent has a Waluigi on the battlefield. If Luigi, Jack of Trades kills Waluigi, you gain 10 life.
If you control a Mario on the battlefield, Luigi, Jack of Trades gains haste, menace, and double strike.
“The Evil Brothers must be defeated. Mario needs help, and as a brother, it is my duty to.”