Buried Temple

Enchant land.
Enchanted land loses all types and abilities and
has "{3}, {t}, Tap an untapped creature you
control: Investigate. At the beginning of the next
end step, create a Treasure token."
{x}{x}, Exile Buried Temple: Return target artifact
with converted mana cost X from a graveyard to
the battlefield under your control. It enters the battlefield tapped.