7 Forsaken Crossroads & Second-Player Cards Gemstone Caverns references the starting player, but only in your opening hand
You can lead on a Wishclaw Talisman and then find the missing piece for the clean kill
Here you can see that this attempt had three of the four abilities closer to the final version, although the numbers were changed around along with the first ability
Honorable mentions for Meria, Scholar of Antiquity and Wild Cantor, which while good, require specific types of decks to truly shine
Like Set Boosters, your display purchase may be eligible for the Buy-a-Box promoask your local store
If you have a lot of tokens, this works quite well, but most aggressive decks, which usually has a lot of dragons, can sometimes play a lot of non-flying dragons, meaning they don't count there