In line with this, Dragulas' effects mimic a vampire's sleep cycle
Since you wont necessarily know when that opportunity will arise, leaving a large amount of mana available every turn might not be practical

Anguished Unmaking Ashen Rider Athreos, God of Passage Athreos, Shroud-Veiled Blood Baron of Vizkopa Blot Out the Sky Breena, the Demagogue Brimaz, Blight of Oreskos Carmen, Cruel Skymarcher Clavileo, First of the Blessed Crime // Punishment Dark Leo & Shredder Daxos the Returned Deathpact Angel Elenda, the Dusk Rose Emptiness Eriette of the Charmed Apple Extus, Oriq Overlord Felisa, Fang of Silverquill Frodo, Adventurous Hobbit General Kudro of Drannith Hashaton, Scarab's Fist Karlov of the Ghost Council Kaya the Inexorable Kaya, Geist Hunter Kaya, Ghost Assassin Kaya, Orzhov Usurper Kaya, Spirits' Justice Ketramose, the New Dawn Killian, Decisive Mentor Mister Negative Moira and Teshar Nalia de'Arnise Obzedat, Ghost Council Pest Control Ravos, Soultender Scriv, the Obligator Seraph of the Scales Shadrix Silverquill Silverquill, the Disputant Sorin, Grim Nemesis Sorin, Lord of Innistrad Sorin, Ravenous Neonate Sorin, Solemn Visitor Spirit-Sister's Call Tomik, Wielder of Law Tymna the Weaver Vito, Fanatic of Aclazotz Vona, Butcher of Magan Withar, Cocoon Keeper

Theyve become a beloved typal strategy for players that want to build up their pack and become the alpha of their Commander table
Karlach can also be paired with a background, which means you can go Boros or Gruul for better synergies in the beatdown department
These cards are truly helpful when you're at a Limited event and construct your deck on the spot