Whirler Virtuoso: [Category 2] ETB yield is 3 Energy for 3 mana, then you can spend 3 Energy to drop a 1/1 token
Valakut decks are fully capable of winning on turn four, either through Scapeshift or Primeval Titan
Nonetheless, its a neat card and an amusing build-around
This could be due to a reason I am missing something or not a lot of players know about this one
Id still want a couple of the better non-vampire reanimation targets, like Archon of Cruelty and Hoarding Broodlord
The graveyard is a huge source of advantages for most Commander decks between recursive creatures like Feasting Troll King, spells that return cards from the graveyard to your hand like Seasons Past, creatures that bring things back from the graveyard like Sun Titan, and commanders that relentlessly leverage card advantage from the graveyard like Muldrotha, the Gravetide or Meren of Clan Nel Toth