(Source: The Pokemon Company [1], [2], [3], [4] via SlashGear)
His ability is really thematic too, giving him the power to banish an item or location (quite literally wrecking it) in order to gain two lore points
Creatures are easier to kill
How to Use Companions on MTGO To use a companion like Yorion, Sky Nomad on MTGO, you must first put it in your sideboard

Scientists Aang's Journey Absorb Vis Ainok Guide Analyze the Pollen Ancient Excavation Ash Barrens Atalan Jackal Attune with Aether Battle Plan Beamsaw Prospector Beanstalk Giant Beanstalk Giant Beneath the Sands Bioengineered Future Biomechan Engineer Biotech Specialist Bitterthorn, Nissa's Animus Borderland Ranger Borough Backup Braidwood Sextant Brave the Wilds Bushwhack Campus Guide Caravan Vigil Case of the Shattered Pact Centaur Rootcaster Changeling Wayfinder Civic Wayfinder Colossal Collision Coming Attraction Compass Gnome Dance of the Tumbleweeds Dauntless Scrapbot Dawntreader Elk Deathsprout Deep Reconnaissance Demolition Field Dig Up Diligent Farmhand Dismissive Denial District Guide Divert Disaster Double Play Down in the Valley Dune Mover Earthbender Ascension Ecologist's Terrarium Edge Rover Edge of Autumn Elanor Gardner Elfhame Sanctuary Elven Passage Embermouth Sentinel Embodiment of Spring Emergency Eject Emergent Sequence Environmental Sciences Environmental Scientist Escape Tunnel Everything Pizza Evolution Charm Evolving Wilds Exploding Borders Fabled Passage Fall to Earth Far Wanderings Farfinder Farhaven Elf Fiery Fall Font of Fertility Forceful Cultivator

Digital CCGs are famous for their gorgeous art work and presentation now, meaning that unless its nostalgia getting you into Pokmon Trading Card Game, it might be difficult to see the appeal