After watching Yennefer's entrance animation in the new Homecoming video I was disappointed but hopeful this is still WIP.
If this is not I suggest adding weight when placing down a card especially a legendary, right now cards look like feathers carefully falling down on the board. Also Legendaries should PoP when played when you look at Yennefer's card art you can see rocks shattering from her exploding spell but the animation is completely different. Legendaries should really have a special voice line when played, a short epic music played and a special effect to match the card art as much as possible.
Another gwent video from a long time ago (April 16 2017) I watched explaining the Weight of the cards and why it's important. Starts at 4:07