The Arena client lacks the infrastructure for fourplayer matches, and the card pool does not yet include the tens of thousands of cards legal in paper Commander
Are you playing any new bird cards currently
I could conceive of Walking Ballista being too powerful for some Cubes- maybe you have a heavy focus on creatures with one toughness that dont generate value
It's ridiculously rare that R&D makes a sizeable mistake (relative to the amount of product they produce), so if they're going to find ways to improve, most of them are going to be tiny
The highlight had to be the game in which I cast Sneak Attack off Gonti, Lord of Luxury, then fetched up the Blood Crypt I needed to activate it, winning me the game
Try this Promising Lead for an extra Lore, quest with Basil, then trade up by using a small character to remove big threats