A card missing a color layer might appear in strange, incorrect colors because the remaining ink layers combine differently
If this card is destroyed by battle, or if this card in its owner's possession is destroyed by an opponent's card effect: You can send the top 3 cards of your Deck to the GY, then you can destroy cards on the field up to the number of "Lightsworn" cards sent to the GY by this effect
The main differences are language, regional distribution, and how the market values them
(1) When this card resolves, add 1 Regulus, the Prince of Endymion or 1 monster that mentions it from your Deck to your hand, then, if your opponent controls a monster, you can Special Summon 1 Spellcaster monster from your hand
It makes it easier to find the items you're looking for quickly
Heres the skinny on how to fight in the Pokmon TCG