What you cannot do is rely on them to provide that influx of cards, if you know you really want to fill up the hand and you are running out of slots then perhaps these walkers are not the best option
Top 2 layers should be black to ensure even coverage
Looking over your deck you are at least 1-2 lands short and I would increase Orzhov Basilica to 4 of to give you a pseudo extra land (on average every second game when you should see it)
Although TCG Live has a Battle Pass system, numerous in-game currencies, and all of the other hallmarks of typical free-to-play games, I have hope that it will still be a lot of fun to play even for free, and that it wont constantly make players feel like they have to spend their money on virtual products, but give them the option to since real-world packs are hard to come by in todays day and age
You can even get ahead of it by playing two lands a turn (which you may draw, given how many extra cards its drawing you, if you are doing it right)
Take a look at Evil Twin
