Cavern of Souls [Avacyn Restored] POP Series 3 then put all cards exiled

then put all cards exiled with Knowledge Vault into their owner's hand

Set: Unknown Event Type: Enchantment Rarity: Common Cost: {2}{R} Poison Tolerance +2 (It takes two additional poison counters for you to lose the game

Set: Amonkhet Invocations Type: Instant Rarity: Mythic Cost: {0} Destroy target nonblack creature

I have an empire of knowledge

Moss-covered statues littered the area

Cavern of Souls [Avacyn Restored] POP Series 3 then put all cards exiledSet: Avacyn Restored Type: Land Rarity: Rare As Cavern of Souls enters the battlefield, choose a creature type. {T}: Add {C}. {T}: Add one mana of any color. Spend this mana only to cast a creature spell of the chosen type, and that spell can't be countered.