Duamutef, Blessing of Horus (Secret)

If you control King's Sarcophagus, you can Special Summon this card (from your GY). You can only Special Summon Duamutef, Blessing of Horus once per turn this way. Gains 1200 ATK/DEF for each Horus monster you control. If another card(s) you control leaves the field by an opponent's card effect, while this card is in your Monster Zone (except during the Damage Step): You can draw cards equal to the number of monsters with different names in your Main Monster Zone. You can only use this effect of Duamutef, Blessing of Horus once per turn.