From a small sample, Lightning and Psychic Energy appeared the most often (in Gym Heroes it was Lightning Energy, Gym Challenge I did not look at)
I recorded most of the cards that I was able to acquire while grinding to Master Tier 1 last week: from 289 cards, 69.6% were commons, 19% were uncommons, 9% were rares, and 2.4% were Mythics Rares
Still, this last part should be up to the discretion of the event organizer, but chances are that this isnt something you should expect to see in a Pro Tour or any competitive setting
Temtem Temtem is a massively-multiplayer adventure, set in a Pokmon-style world filled with delightful creatures called Temtems
By itself, this justifies the $29.99 asking price, provided you dont mind the unconventional art
This card provides a crucial boost by adding 10 extra damage to any attack