Laca, The Durum Master

Whenever this creature attacks create X "Durum"
({t},Sacrifice this token: Put a creature
from your hand to the battlefield. at
the end of your turn, destroy that creature.)
tokens, where X its the power
of Laca, The Durum Master.
For each Durum token sacrificed 1 creature
on your battlefield wont untap
during your next untap step.
If you sacrifice 6 or more Durum tokens on
the same turn, you loose the game.