Dungeon of the Mad Mage

Oracle text

Yawning Portal — You gain 1 life. (Leads to: Dungeon Level) Dungeon Level — Scry 1. (Leads to: Goblin Bazaar, Twisted Caverns) Goblin Bazaar — Create a Treasure token. (Leads to: Lost Level) Twisted Caverns — Target creature can't attack until your next turn. (Leads to: Lost Level) Lost Level — Scry 2. (Leads to: Runestone Caverns, Muiral's Graveyard) Runestone Caverns — Exile the top two cards of your library. You may play them. (Leads to: Deep Mines) Muiral's Graveyard — Create two 1/1 black Skeleton creature tokens. (Leads to: Deep Mines) Deep Mines — Scry 3. (Leads to: Mad Wizard's Lair) Mad Wizard's Lair — Draw three cards and reveal them. You may cast one of them without paying its mana cost.