Underworld Breach (Extended) [Theros Beyond Death] ARC129-R then put all cards exiled

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

Set: Rise of the Eldrazi Type: Creature — Hydra Rarity: Mythic Cost: {G}{G}{G}{G}{G}{G}{G}{G} This spell costs {G} less to cast for each green creature you control

Set: War of the Spark Type: Legendary Artifact Rarity: Rare Cost: {3}{B}{B}{B} You may look at the top card of your library any time

Set: Collectors’ Edition Type: Enchantment Rarity: Rare Cost: {B}{B}{B}{B} As Lich enters the battlefield

Underworld Breach (Extended) [Theros Beyond Death] ARC129-R then put all cards exiledSet: Theros Beyond Death Type: Enchantment Rarity: Rare Cost: {1}{R} Each nonland card in your graveyard has escape. The escape cost is equal to the card's mana cost plus exile three other cards from your graveyard. (You may cast cards from your graveyard for their escape cost.) At the beginning of the end step, sacrifice Underworld Breach.