Wally is a reusable out to Archeops and was very good insurance against having your Froakie killed on turn one
There are 23 summons in the deck, including the backsides of cards that aren't summons on the front
My only question is, why are we not seeing more Loam decks around the Modern metagame
(In that case, since Fuse doesn't apply, it acts like a normal split card - you can flash back either half, for its mana cost, ignoring the other half.) For more descriptions of how Fuse works, see its section in the official Mechanics of Dragon's Maze article.
The No.1 and No.2 cards were graded PSA Mint 9, while the No.3 card was graded PSA NM 7
Sure, your opponent gains life, but isn't that a small price to pay considering you're only putting in a one-mana investment