Possessing the same transformation clause as the majority of its contemporary werewolves, it becomes the Krallenhorde Howler, reducing the costs of all creature spells by one mana, allowing its controller to easily cast the creatures they'd drawn before it had transformed
It makes it so that your opponents cant play cards with the same name as a card removed using Circus abilities, which isnt all that relevant in a singleton format
Convergence of Dominion can work well for decks that focus on Unearth
Clavileno, First Of The Blessed Upgrade Those Vampires A rather unique Vampire kindred commander in that it doesn't keep Vampires on the battlefield for very long, Clavileno, First of the Blessed rewards a more aggressive deck strategy with a good attack trigger
So, I build in ways to use that mana, whether it's activated abilities of Creatures or Artifacts or X spells to use more mana as the game goes on