Free Countermagic In cEDH, the ability to interact without leaving mana open is a huge advantage, and thats where free countermagic shines
Each of these phenomenal 40K decks has its distinct game plan
$2.29 The Sixth Doctor (Showcase) Universes Beyond: Doctor Who Variants $1.49 The Ninth Doctor (Showcase) Universes Beyond: Doctor Who Variants $1.99 Big Mother Mouser Teenage Mutant Ninja Turtles Eternal-Legal $0.49 The Master, Gallifrey's End (Showcase) Universes Beyond: Doctor Who Variants $0.59 This Is How It Ends Universes Beyond: Doctor Who $1.49 Coalstoke Gearhulk (0349 - Borderless) Aetherdrift Variants $0.79 Midnight Crusader Shuttle Universes Beyond: Doctor Who $0.69 The Fifth Doctor (Showcase) Universes Beyond: Doctor Who Variants $0.79 Missy (Showcase) Universes Beyond: Doctor Who Variants $1.29 Demonic Junker (0307 - Borderless) Aetherdrift Variants $0.79 Great Intelligence's Plan Universes Beyond: Doctor Who $0.99 Rose Tyler (Showcase) Universes Beyond: Doctor Who Variants 0 results found

I would hold off on casting any other creatures, cast this, watch all opponents winnow down to few or no creatures, kill this, and then cast whatever creatures I have been saving in my hand
Likened to the long-ago-banned card Pot of Greed in Yu-Gi-Oh!, Tainted Indulgence is one of the best true draw spells printed in recent memory
This strategy if done right can totally steal their momentum and render them largely helpless