Smother [Worldwake] Minotaur Berserker Set: Commander Legends Type: Sorcery

Set: Commander Legends Type: Sorcery Rarity: Common Cost: {3}{B} Look at the top four cards of your library

knowledge waits in the bones for a master to release it

The sky darkened and the seas turned to oil as the gods of Theros themselves fell to New Phyrexia

Set: Portal Type: Creature — Wraith Rarity: Uncommon Cost: {3}{B} Swampwalk (This creature can't be blocked as long as defending player controls a Swamp

The Overmind also requires that

Smother [Worldwake] Minotaur Berserker Set: Commander Legends Type: SorcerySet: Worldwake Type: Instant Rarity: Uncommon Cost: {1}{B} Destroy target creature with mana value 3 or less. It can't be regenerated. "Before I hire new recruits, I test how long they can hold their breath. You'd be surprised how often it comes up." Zahr Gada, Halimar expedition leader