manatee triplets

When this creature attacks it gains base power
and toughness 0/13 until end of turn, then create
a legendary creature token with base power and
toughness 3/5 with whenever this creature
attacks, return target creature an opponent
controls to its owners hand. Then create a
creature token with the same abilities named
"I'm with stupid" and another named
"Come at me bro".they are all tapped
and attacking.