Welcome to progresses from turning opponents noncreature artifacts into Wall artifacts through creating 3/3 Dinosaur tokens with trample and haste, to finally destroying all walls and transforming the saga card into the legendary land card Jurassic Park Jurassic Park (the card) grants each Dinosaur card the Escape keyword - allowing them to be cast from the graveyard for their mana cost and the specific number of cards
But everything else is good to go
Strengths and Weaknesses Dungeons of Death has a few distinct weaknesses, and the first and foremost is its weak themes
Draw two cards unless target opponent sacrifices a creature, or something like that
Lumra enables infinite loops with lands like Sanctum of Eternity or Mirrorpool that take advantage of its land recursion ability and a land untapper like Spelunking or Amulet of Vigor
A handful of the best ways are Virtue of Loyalty, Chivalric Alliance, Forth Eorlingas!, Court of Embereth, and History of Benalia