This one has unique mechanics, being an LV Pokemon
You should be aggressively using your mana and deploying your resources, which will naturally get 5+ cards in the yard
The Pokemon TCG: Ancient Origins Booster includes: - Over 90 cards - 11 new Pokemon-EX, including 3 Mega Evolution Pokemon and a new Mythical Pokemon - New Shiny versions of Primal Kyogre-EX, Primal Groudon-EX, and Mega Rayquaza-EX The Pokemon TCG: XY - Ancient Origins expansion transforms ancient secrets into modern battling techniques, with all-new Special Energy cards, new Ancient Traits, and Shiny versions of Primal Kyogre-EX, Primal Groudon-EX, and Mega Rayquaza-EX
There will be multiple cards depicting one character, showing them as they progress through their story
Trample is really key here, as it comes in handy in the late game
As such, Reddit is a wonderful source of information