Dungeon of the Mad Mage

Yawning Portal — You gain 1 life. (? Dungeon Level)

Dungeon Level — Scry 1. (? Goblin Bazaar or Twisted Caverns)

Goblin Bazaar — Create a Treasure token. (? Lost Level)

Twisted Caverns — Target creature can't attack until your next turn. (? Lost Level)

Lost Level — Scry 2. (? Runestone Caverns or Muiral's Graveyard)

Runestone Caverns — Exile the top two cards of your library. You may play them. (? Deep Mines)

Muiral's Graveyard — Create two 1/1 black Skeleton creature tokens. (? Deep Mines)

Deep Mines — Scry 3. (? 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.