Urzas Cave Chief: I love lands that sacrifice themselves to do things, especially when they enter the battlefield untapped
the one that required breeding a Gold Chocobo and finding that hidden island
This, coupled with the lower casting cost and increase in power and toughness, makes them a little bit better than Ulamog
Uncommons Every gold uncommon except GW, WU, GB, and UR Walking Skyscraper Edit: Containment Construct The other gold uncommons Colossal Skyturtle, Invigorating Hot Spring, Oni-Cult Anvil, Naomi, Pillar of Order, and Silver-Fur Master should all be obvious payoffs for doing the official color pair theme thing
These Treasures dont even enter tapped meaning you can easily pair him with [[Aggravated Assault]] for some spicy infinite combat combos
When properly supported, Check Lands function as some of the best dual lands in MTG for decks already running typed duals like shocks or triomes