Taco Sliver

All Slivers are Tacos and all Tacos are Slivers
in addition to their other types.
{1}: Target nonland permanent is a Taco until
the end of the turn.
Sacrifice a Taco: Choose one — Deal damage
to target creature or player equal to its converted
mana cost; or add mana equal to its mana cost
to your mana pool.
Do you sling Tacos?