REDU format ruling
King of the Skull Servants

Nearest-era rulings (Tengu, Sept 2011) — no REDU-specific archive exists.
Card effect (current official text)The original ATK of this card is the combined number of "King of the Skull Servants" and "Skull Servant" in your GY x 1000. When this card is destroyed by battle and sent to the GY: You can banish 1 other "King of the Skull Servants" or 1 "Skull Servant" from your GY; Special Summon this card.
Rulings
- If the number of "Skull Servant" and "King of the Skull Servants" cards in your GY changes, re-calculate the original ATK of "King of the Skull Servants". If it is equipped with Megamorph you would then re-apply the effect of Megamorph.
- If you have 2 Skull Servant cards in your GY (original ATK 2000), and you equip this card with Megamorph, its current ATK will become either 4000 or 1000, depending on your Life Points.
- Since the ATK of this card is ?, it cannot be Special Summoned by the effect of Mystic Tomato.
- Removing from play 1 "Skull Servant" or "King of the Skull Servants" to Special Summon a "King of the Skull Servants" is a cost.
Rulings data courtesy of Format Library — formatlibrary.com. Spotted an inaccuracy? Flag it in the REDU forum — sourced change requests get reviewed.