Venomous Brutalizer [Phyrexia: All Will Be One] BT4-054 "The Realm of Sauron is

"The Realm of Sauron is ended forever

they may cast a spell from among other cards exiled with Knowledge Pool without paying its mana cost

"The reflection is true

Set: The Lost Caverns of Ixalan Promos Type: Sorcery Rarity: Rare Cost: {1}{B}{G} Fathomless descent — Return to the battlefield target nonland permanent card in your graveyard with mana value less than or equal to the number of permanent cards in your graveyard

"My criticism of the Izzet is that their impulse for learning seems too much like impulse and too little like learning

Venomous Brutalizer [Phyrexia: All Will Be One] BT4-054 "The Realm of Sauron isSet: Phyrexia: All Will Be One Type: Creature Phyrexian Knight Rarity: Uncommon Cost: {2}{G}{G} Toxic 3 (Players dealt combat damage by this creature also get three poison counters.) When Venomous Brutalizer enters the battlefield, you may pay {1}{G}. If you do, proliferate. (Choose any number of permanents and or players, then give each another counter of each kind already there.)