This reminds me of Kona, Rescue Beastie in terms of the risk/reward involved, but a little bit weaker overall
Lets review what the temptations the ring has to offer, shall we
In Limited, where mana bases are already quite weak, these lands can be more liability than asset
Surveilling 2 on the plus ability of a planeswalker is strong, even if it doesnt give you cards, and you can get card advantage by making your opponents discard cards while feeding your graveyard synergies
It is generally better than Infest and better than Dismember just in terms of effect (very little is more effective than Dismember at 1 mana!)
Players enjoy the decks charming squirrel theme, calling it both fun and surprisingly strong in token strategies