Emet-Selch is a transforming card, meaning he has two sets of abilities that can be used, though once he's been transformed he can't go back
In addition to being a solid standalone Commander, Vial Smashers ability to pile on damage makes it a solid inclusion in Valgavoth, Harrower of Souls decks, which have even popped up in cEDH from time to time
A saga can have zero counters because the counters get removed, or because something (like Vorinclex, Monstrous Raider) prevented them getting counters in the first place
Even if Vivi isn't on the battlefield, your creatures help to make up the difference by providing token creatures or excess mana generation to make it easier to cast multiple spells a turn
All other events will be at least double to 1024 players
3 Uncommons Of these uncommons, 0.3% will be a double-faced uncommon borderless woodblock or borderless character card