What are the two lowest mana Legendary Dragon monsters?

Shin-lo (and one of them is mine!! :)) and Mighty Dricken, both with only 1 mana.

Who is Mimosa Nightshade's mother?

Theorosa Nightshade, thought to be vaporised... but just shrinked.

Where was Rusty Android first found?

In a tavern in Lyveria.

Here's your picture, my pack opening today; how lucky was I? :)