1 "D/D" Tuner + 1 or more non-Tuner monsters

If another "D/D" monster(s) is Normal or Special Summoned to your field, while you control this face-up card (except during the Damage Step): You can target 1 Level 4 or lower "D/D" monster in your Graveyard; Special Summon it. You can only use this effect of "D/D/D Gust King Alexander" once per turn.