mtg goblin card sleeves Krazz - Bomber - 100 (FN4S-B) Scratch Play Compatible with Magic The Gathering and Lorcana Cards Card Sleeves & Inner Sleeves

As the total damage threshold for commander damage is 21, its a lot easier, in many ways, to strap up one creature with buffs and evasive keywords in order to deal 21 over one or more turns than to deal 40 with a wider board

For Commanders that can afford it through cost reduction like Rowan, Scion of War, or Treasure generation like Prosper, Tome-Bound Crackle with power can end games in an instant

White isn't particularly known for its ramping ability

-2: Until end of turn, if one or more tokens would be created under your control, twice that many of those tokens are created instead

The downside is that since you have to attack with Varragoth, you have very little agency over what it trades for, but that seems like a fair trade-off for a free Vampiric Tutor