Certainly it is a nice addition but I imagine it is less significant than vampire tag for constructed play
Once you drop a big stompy creature, you can attach this to it and buff up the rest of your tiny creatures or tokens for a massive swing
It turns out, highly graded copies of cards from Legends , Arabian Nights , etc
Im mostly happy to play this with Rydia or graveyard synergies (i.e., Esper Origins / Summon: Esper Maduin), though its acceptable filler anywhere
The reward for winning a match is an ICR (individual card reward), which is usually uncommon but has a 5% chance of being rare
If double clicking the .jar file doesn't load the main interface you can run it via terminal/command line java -jar FILENAME.jar where FILENAME is the name of the installer