From a handful of energy, to a handful of pokemon evolutions, to, ideally, a mixture of the two
Valgavoth, Harrower of Souls To get rid of Valgavoth, Harrower of Souls, or leave Duskmourn: House of Horror chances are you need to pay life
It multiplies your best token, scales with how much mana you put in, and then hands out indestructible to all your tokens until your next turn
We even have an X spell matters archetype in the format like Rosheen Meanderer and others
Black Massacre Wurm Feed the Swarm Gatekeeper of Malakir Vengeful Bloodwitch Demonic Pact Desecration Demon Dread Summons Kalastria Highborn Midnight Reaper Myojin of Night's Reach Nullpriest of Oblivion Wishclaw Talisman Arbiter of Woe 2 Infestation Sage Midnight Snack Seeker's Folly 3 Vengeful Bloodwitch Exsanguinate 2 Hero's Downfall Marauding Blight-Priest Stromkirk Bloodthief Vampire Nighthawk Zombify Moment of Craving Suspicious Shambler Undying Malice Deathmark Driver of the Dead Duress Knight of Malice Pulse Tracker Sanguine Indulgence Tribute to Hunger Vampiric Rites Vile Entomber Massacre Wurm, Feed the Swarm, and Gatekeeper of Malikir are in traditional foil