Tolri the Steampunk Terror

Flying, Hexproof
Retaliation Protocol-Whenever an artifact creature
you control dies, each opponent loses 2 life
Union Protocol-{b}{g}{g} Equip target artifact
creature to this creature, this creature gets all
keyword abilities of the equipped creature as well
as X +1/+1 counters where X is equal to the
equipped the creature's power, destroy the
equipped creature at end of turn