Slavers' Barge

Flying
Whenever Slavers' Barge attacks, choose one:
•Defending player creates a tapped treasure token and you create 2 tapped 1/1 red horror creature tokens.
•Defending player creates a tapped 1/1 red horror creature token and you create 2 tapped treasure tokens.
Tap three untapped horrors you control, Slavers' barge becomes an artifact creature until end of turn.