Magical Musketeer Starfire

During either player's turn, you can activate "Magical Musket" Spell/Trap Cards from your hand. If a Spell/Trap Card is activated in this card's column (except during the Damage Step): You can Special Summon 1 Level 4 or lower "Magical Musket" monster from your Deck in Defense Position, except "Magical Musketeer Starfire". You can only use this effect of "Magical Musketeer Starfire" once per turn.

Fiend LIGHT Effect Monster 4 effect