mtg red goad cards Vengeful Ancestor [Murders at Karlov Manor Commander] Havoc Eater | MTG Cards

Spells and abilities can't be countered

Rising Waters was the core of the last top level Prison deck, using overpriced versions of several components to gain favorable or even match-ups against everything else in the format

Wrenn and Seven Wrenn and Sevens ultimate gives you an infinite hand size from its emblem

Liberator, Urzas Battlethopter Colorless and artifact spells (so even those with color, like Bolass Citadel) having flash means being able to hold up mana for interaction on everyone elses turns

It could be especially strong in a deck with sacrifice synergies and graveyard recursion

This is done through cards like Vivi, Guttersnipe, and Coruscation Mage