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This is a highly versatile deck that can quickly threaten your opponents with damage, meanwhile generating value through card draw effects and removing your opponents biggest threats
Its a fairly broken ability that really grants considerable power to Mega Pokemon decks
There are a host of creatures that lock down an opposing permanent while they're in play, but those are a much easier card type to remove, so as much as I want to rank Auron, Venerated Guardian and Earth Kingdom Jailer, they really deserve separate consideration
if you're in Canada, you can give it a try for yourself now, and if you're elsewhere, you have a fun time in store with this new platform when it hits wider release ("available soon on the App Store and Google Play - as well as Windows and Mac", according to the official site)