Aurification [Onslaught] Saviors of Kamigawa Sacrifice a Desert: Exile all

Sacrifice a Desert: Exile all cards from all graveyards

you might as well trade it for something else

How about these maps to recently discovered tombs

create a token that's a copy of Polyraptor

Sacrifice Flooded Strand: Search your library for a Plains or Island card

Aurification [Onslaught] Saviors of Kamigawa Sacrifice a Desert: Exile allSet: Onslaught Type: Enchantment Rare Cost: {2}{W}{W} Whenever a creature deals damage to you, put a gold counter on it. Each creature with a gold counter on it is a Wall in addition to its other creature types and has defender. (Those creatures can't attack.) When Aurification leaves the battlefield, remove all gold counters from all creatures.