Ron DeDoubler

Changeling.
As long as you control Ron DeDoubler, creatures
you control have first strike and trample.
{t} Put an {e} counter on Ron DeDoubler. As
long as there are 4 or more {e} counters on Ron
DeDoubler, Ron DeDoubler becomes a copy of
Trump, Champion of Walls, but its name is still
Ron DeDoubler.
Ron DeDoubler ignores the legend rule.