Helmer, Helmsman Fur Hire

During your Main Phase: You can Special Summon 1 monster "Fur Hire" from your hand, except "Helmer, Helmsman Fur Hire". If a monster "Fur Hire" is Special Summoned to your field while you control this monster (except during the Damage Step): You can discard 1 card "Fur Hire"; draw 1 card. You can only use each effect of "Helmer, Helmsman Fur Hire" once per turn.