D/D/D Gust High King Alexander (COTD-EN040) [Code of the Duelist]

1 Tuner + 1+ non-Tuner monsters
<br>If 3 or more "D/D/D" monsters are on the field, this card gains 3000 ATK. If another "D/D" monster(s) is Normal or Special Summoned to your field while this monster is on the field (except during the Damage Step): You can target 1 "D/D" monster in your GY; Special Summon it. You can only use this effect of "D/D/D Gust High King Alexander" once per turn.