Will Smith, Spy In Disguise

Will Smith, Spy In Disguise cant be blocked
except by artifact creatures.
When Will Smith, Spy In Disguise enters the battlefield, create four 1/1 blue pigeon creature
tokens with flying.
Whenever a pigeon creature you control dies. you
may put an number of +1/+1 counters on Will
Smith, Spy In Disguise equal to that creatures
toughness.