Shaco, The Demon Jester

Flash
If it's not your turn, you may pay 5 life and
sacrifice a creature rather than pay this spell's
mana cost.
Whenever Shaco, The Demon Jester is declared
as a blocker, create a 1/1 jack-in-the-box creature
token with deathtouch, First strike and "this
creature must be blocked first in combat order".
exile it at the end of combat
{2}{b}{u}: Create a non legendary token copy
of Shaco, The Demon Jester and return Shaco,
The Demon Jester to your hand.