After Ether's ability resolves, the next instant or sorcery spell you cast that turn will be copied whether or not it has targets and whether or not you spent the mana added by Ether's ability on that spell
Without a doubt, the best part of the card is the fact that it is unaffected by other cards' effects
Yanmega Ex could even be great paired with the previous card on this list, since Dialga can load up energy onto any Pokmon type - it isn't restricted to metal types only
There are multiple identical cards (usually around 8, but sometimes more) for each maid, and youre encouraged to buy more than one of each type if that maid scores well for points or has some ability youd like to have in your hand
New fans can be forgiven for wondering how the hero ever managed to win the best duels in the series with this monster
For example, "Lightsworn Sabre" specifies that it can only be equipped to a member of the "Lightsworn" archetype, instead of naming a specific card