Creature - Elf/Scout {2}{G}, Sacrifice Centaur's Herald: Create a 3/3 green Centaur creature token.
Creature - Elf/Scout {2}{G}, Sacrifice this creature: Create a 3/3 green Centaur creature token.
Creature - Elf/Scout {2}{G}, Sacrifice Centaur's Herald: Put a 3/3 green Centaur creature token onto the battlefield.