We do have Merciless Executioner and Fleshbag Marauder in the format already so Im not sure how much Bearer of Silence adds to the mix, but the fact that we get a creature that sticks around is a big deal
The art has not changed here, with the same rearing horse and knight from the Rivals of Ixalan expansion, but that is not what is important
Each has its own unique personality, and every glimmer fits into one (or two) of the inks
While in theory this can cause you to lose the game (as you saw in my match against Merfolk), the truth is it can almost always be played around, unless you run into the very rare situation where you have only the second Part the Waterveil left in hand and nothing to buy another turn, whether real or virtual
That's pretty flexible on a counter
You can move over your decks by exporting your lists from PTCGO and reimporting them into PTCGL