Jackal, Conniving Cloner

Lifelink
Pay X life, {x}, {t}: Create a creature token that's a
copy of target nontoken, nonartifact creature with
converted mana cost X, except it's not legendary,
is a blue Clone in addition to its other colors and
creature types and has "At the beginning of your
upkeep, put a -1/-1 counter on this".
"The Jackal... That's who killed Serba... not ME.
The Jackal..."