They first appeared in the Japanese high-class expansion MEGA Dream ex (M2a) and continue to show up in later Mega Evolutionthemed releases
For clarity, Ive circled both the set symbol, and the cards C code, in the photo above
The only real home for this is a Kaust, Eyes of the Glade deck that's trying to win quickly
If youre like me and you experiment with any number of decks, one of the things Im sure youd discovered was that youd have an excellent aggressive deck, but you just couldnt beat Splinter Twin because of this: One of two things would happen: a) Youd make a push for the kill, and theyd tap a key attacker, and sometimes even block on top of it, and youd fall short
(10/4/2019) Adamant effects check what mana was actually spent to cast a spell
Step 4: Use Pokemon Card Valuation Tools Several apps and online tools are available to help you get a more accurate estimate of your Pokemon cards worth