The item gets you two Nemona cards back from the discard pile, making for a much more consistent card draw at the expense of a little efficiency
It searches out any Light Machine Union Monster on activation
But for only having 100 hp it's weakness is only +30 hp to water type Pokemon which isn't too bad, it always could have been x2, it doesn't have a resistance type and it doesn't have a retreat cost
If you dont already know about them, check out Scryfall and how to use EDHREC and find all the cards, descriptions, and deck ideas you could ever want
Fresh out of the starter decks this Scar Vengeful Lion adds a way for the Robin Hood theme deck to get card draw
Double-Faced Cards (Innistrad September 2011) When we first started working on Innistrad , we did what we do for most top-down sets: list everything we thought players would expect from the thing we're trying to flavorfully capture in the design