Mocha the Vaporator

{2}{u} Ninjutsu: (If a creature attacks and is not
blocked you may pay {2}{u} to return that creature
to your hand and play this creature tapped and attacking.)
If Mocha the Vaporator damages a player
each opponent discards a card and you draw
a card for each card discarded in this way.
{2}{u}{u}{t}:Return this creature to your hand.