These counters can fulfill the modified conditions on cards like Kodama of the West Tree, they can be used to combat opposing -1/-1 counter effects, and there are even effects life Damning Verdict or Wave Goodbye that break symmetry if you can get counters on your own creatures
This card experienced a major boom to $4.50 and has set this price as its base, where it continues to increase in small increments
Dualcaster Mage enters and targets Electroduplicate, making a copy of the spell
On field, they have some effect to provide removal negation, searching, or protection
Each player sacrifices thirteen creatures of their choice
The best Eevee deck in Pokemon TCG Pocket is probably the one with Sylveon Ex and Greninja, with one copy of Giratina Ex, as it's relatively easy to pilot, and it's quite consistent in terms of results, but more decks based on Eevee are in the meta, and more come out by the day