Underworld Breach (Borderless) [The Lost Caverns of Ixalan Special Guests] Hag and test cures

and test cures

Those images flew across the entire Tohaa data net as an example of the destiny that awaited their civilization should they succumb to the advances of the EI

Set: The List Type: Artifact Creature — Slith Rarity: Uncommon Cost: {2} Whenever Arcbound Slith deals combat damage to a player

create a 1/2 green Spider creature token with reach

Set: Onslaught Type: Sorcery Rarity: Common Cost: {3}{B} Each other player discards a card

Underworld Breach (Borderless) [The Lost Caverns of Ixalan Special Guests] Hag and test curesSet: The Lost Caverns of Ixalan Special Guests 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.