compendium

From the compendium: - "If an attack has an *optional* effect triggered by a discard, a Pokémon copying that attack must be able to do that discard in order to get the additional effect; if they cannot perform the optional discard, it still gets the base effect and damage. (Mar 15, 2007 PUI...

I'm hoping to better understand the logic between two rulings in the compendium. Two rulings from the Compendium: ========= 1 ========= - If a Pokémon attack copies another attack that says "discard all [X] Energy", then you must be able to discard at least one energy card of that type in...