A little Voltaic Key action will keep things moving along
I am not a huge fan of countermagic locking someone but that happens much less frequently in multiplayer games and in reality, you'll want a healthy amount of countermagic, especially in a deck like this that is very light on removal because it's more fun to steal problem permanents
Ricardo Silva If I am not mistaken, Yawgmoth, Thran Physician is the only four mana creature being played in Modern which has no enters the battlefield effect
You know how if you attack with a creature with trample and it's blocked by a smaller creature, you can assign the extra damage to the opponent
I muttered to myself, Well why not just use some paint here for this spot and itd look a little better? and a handful of alters later I was realizing to myself, Well, now the entire thing is painted, with the exception of an occasional thin marker outline