detain cards mtg Render Silent MTGNexus - Access Denied

Taking a spell and removing it from relevance for a few turns is a perfect encapsulation of tempo, in that youre not actually dealing with the card outright, and are instead just delaying the inevitable

20 Glissa, Herald Of Predation Incubate And Infect Suggested Cards: Elvish Vatkeeper, Grafted Butcher, Bloated Contaminator Glissa, Herald Of Predation, is one of the best commanders for Phyrexians

Rotting Regisaur has been popping up in a lot of Cubes largely for the discard outlet coupled with a meaty threat in and of itself for Reanimator strategies, and because its a card that plays reasonably in beatdown decks as well

Proof of Concept A few test games against decks from my Banlist Testing gauntlet with each version later, and there was still no clear answer

Im not sure about Knights, but Merfolk getting a pile of +1/+1 counters is downright dangerous

Ursula, Power Hungry doesnt just accelerate your own progression, either