Abandoned Jaredite Mine

Dungeon (Defender and Shroud)
{t}: Search your library for a creature to reveal
and put in your hand. Then shuffle.
QUEST: Creatures that destroy this dungeon
get two +1/+1 counters.
And we multiplied exceedingly, and spread upon the
face of the land, and became exceedingly rich in gold,
and in silver, and in precious things.. - Jarom 1:8