mewtwo gold pokemon card Vstar 086/078 - Go Rare Gold Star Mewtwo from

You may cast that card for as long as it remains exiled, and mana of any type can be spent to cast that spell

Night's Whisper might do much the same for your card advantage situation for the mana and it wouldn't becomes useless as your opponent consumed their hand but that is entirely overlooking the disruption caused by discard

There are, of course, a ton of new cards that caught my eye

Zodiark, Umbral God Phyrexian Obliterator has been usurped as the creature with the most Black pips in its casting cost

Like most of the Amethyst cards in the set, this Enchanted card uses the purple and blue to a unique and gorgeous effect, making a beautiful collector's item