If this is done in such a way that a loop is formed and an effect can be repeated ad infinitum, generating infinite mana, dealing infinite damage, creating infinite creatures tokens - whatever the case may be - then voila
The fact that it was reprinted in a Commander set as well as a From the Vault set isnt helping matters, either
The first ability triggers both when Ashcoat attacks and blocks, which makes a wide board formidable no matter whose turn it is
More modular Modular Modular keeps returning in small volume, and tends to become more flexible with time
Make sure you pack his deck with backup, proliferate, and as many counters as you can muster
Itll be the one to take hits from your opponents Pokmon, depending on its health points and the kind of attacks launched by your opponent