REDU format ruling
Dark Paladin
Nearest-era rulings (Tengu, Sept 2011) — no REDU-specific archive exists.
Card effect (current official text)"Dark Magician" + "Buster Blader"
Must be Fusion Summoned. When a Spell Card is activated (Quick Effect): You can discard 1 card; negate the activation, and if you do, destroy it. This card must be face-up on the field to activate and to resolve this effect. Gains 500 ATK for each Dragon monster on the field and in the GY.
Rulings
- Dark Paladin cannot be Special Summoned, EXCEPT by Fusion Summon. So you cannot Special Summon Dark Paladin using Monster Reborn, etc., even if he was properly Summoned before. You cannot Special Summon Dark Paladin using Magical Scientist, etc.
- You can use substitute Fusion Material Monsters such as Goddess With the Third Eye, etc. to Fusion Summon Dark Paladin.
- Dark Paladin's Spell-negating effect is a Quick Effect, so it can be activated during your opponent's turn.
- You can activate Dark Paladin's Spell-negating effect multiple times in the same chain.
- Dark Paladin's Spell-negating effect can be chained to.
- If you activate Dark Paladin's Spell-negating effect, and your opponent chains Ring of Destruction to destroy Dark Paladin, the Spell Card is still negated even though Dark Paladin is destroyed.
- If you activate Dark Paladin's Spell-negating effect, and your opponent chains Book of Moon to flip Dark Paladin face-down, the Spell Card is still negated even though Dark Paladin is face-down.
- Dark Paladin's +500 ATK effect is a Continuous Effect. While Skill Drain is active, the effects of Dark Paladin are negated.
Rulings data courtesy of Format Library — formatlibrary.com. Spotted an inaccuracy? Flag it in the REDU forum — sourced change requests get reviewed.