Exiling opposing creatures shuts down any of your enemy's reanimation plan (a very common strategy in Commander), and then Shelob provides you a choice: you can either let that creature hit your opponent's graveyard to make Shelob bigger and draw a card, or you can pay a little extra to play it for yourself
This is also me begging for more Kingambit prints
Svyelun of Sea and SkySvyelun of Sea and Sky Another strong choice if you're looking to play a mono-blue Merfolk Commander deck, Svyelun hails from Modern Horizons 2 and is a 3/4 Merfolk God for that will almost always immediately have indestructible thanks to living in a Merfolk-happy environment
A: We carry all the top brands such as Panini, Topps, Upper Deck, Leaf
The most famous example is the Illustrator Pikachu, a card released in the 1990s that routinely goes on auction for millions of dollars thanks to its limited release
Froakie can be obtained from Extradimensional Crisis pack in the Extradimensional Crisis set