If you'd guessed a variation of Zorua based off of that description, good job! You nailed it!
So far all we have to go on for these Pokémon are what we see in the video and the Japanese Pokémon Legends: Arceus website referring to them as Ghost/Normal types. How Zoroark's unique ability gimmick will factor in to this game will also be fascinating to see.
When we have more information we'll bring it to you later, but for now here's the full video.