Kengs Ruler

{1}{b}{r}: Search your library for a demon creature
card and place it under this one. Kengs Ruler
becomes a copy of that card, except it's name is
Kengs Ruler and remains legendary.
All abilities stack.
Exile all cards under this one if Kengs Ruler
leaves the battlefield
You pathetic creature...You left my domain.
Do not expect me to be kind if you are to one
day return.