At the casual and mid-power tables, absolutely its fast, resilient, and cheap
Bear Umbras effect isnt lost: the amphibious carries on getting its bonus of +2/+2, but the trigger has been removed, since it had been granted to the Bear in person
If you have less than 4 cards in your hand you can rest this Tamer card to let 1 of your [Dark Dragon]/[Evil Dragon] Digimon attack an opposing player
When Pokemon X and Y launched, Burning Energy was part of the BREAKThrough expansion which came out in English on November 4, 2015
However, some of these strategies have ways of working around these damage thresholds because their attacks can set up the opponent for massive KOs on later turns
This Fall, its getting expanded in a major way with a new release called Vivid Voltage