Not only is the card amazing in just about any purple deck that you slot it in, but it is a crucial part in the formats best deck, Red Purple Trafalgar Law
Jumbo Cactuar will be Standard-legal, by the way that is to say, it'll be printed in the main Final Fantasy MTG set, rather than the Commander precons revealed on Monday
Considering the myriad options you have for returning cards from your graveyard to play, you should treat this Golgari sorcery as just plain better than Shared Summons, even if creatures in your graveyard are a little more vulnerable than the ones in your hand
After that, every activation means a free dude
Costing no more than the classic Llanowar Elves theres nary a reason not to play Delighted Halfling
However, this does not make shroud immune to all spells or abilities