This cycle of lands from Scars of Mirrodin and Kaladesh is perfect for those decks
Legality depends on the tournament format -- Item Shopkeep can be legal in some formats and banned or restricted in others
Im sure that Dragon decks will be happy to use it to get another copy of cards such as Terror of the Peaks or Roaming Throne, and there will be plenty of other places for Deceptive Frostkite to shine
At Fanatics Collectibles in central London, auto cards, which feature a real autograph of a leading sports star, are on sale for thousands of pounds, and a Lionel Messi card sold for nearly $9,500 last year
The commander, Tidus, Yunas Guardian, really makes the +1/+1 counter strategy great by allowing you to move counters around the board rather than just piling them up