Rarity: At least here in the US, seems to be Extremely Rare
Primarily, Ivy, Gleeful Spellthief is best used within decks built around buffing creatures, especially Enchantment decks
Duskmourn marks an increased involvement from Japanese artists in Magic, as it will also be introducing the Japan Showcase alt-art treatments primarily intended for Japan that will be released exclusively through Collector boosters starting with the set
When youve done your research, you can combine cards from this awesome game set with other cards in your collection to form a formidable battle position and attacking formation
Youll get some help during your own turn with your once-per-turn draw, and then all you need is something like a Deep Analysis or Divination
Cons (Negatives) Some degree of luck or specific choices are required to do well with most of the core game scenarios