Cristal illusion

blue lie : when this creature come on the battlefield put a +1/+1 counter on it
green lie : create a blue token 1/1 bird and illusion
with flying and "if this creature is the target of
a spell destroy it"
if this creature is the target of a spell destroy it
if this card is in your graveyard, when you do a
blue or green memories you can cast it from it
without paying is mana cost
all peaple die?
how can you die if you are not real