Oogie Boogie, Lurking Evil

Deathtouch

When Oogie Boogie enters, put a swarm counter on target creature.

Whenever Oogie Boogie or a creature with a swarm counter on it dies, all creatures with swarm counters on them become 2/2 green insects with flying, lose all other types and abilities, and you control them.

{2}{b}{g}: Put a swarm counter on target creature. Activate only as a sorcery