Mirage Arcane

Lands you control gain '{t}: Add one mana
of any color.' and '{u}: Until end of turn, this
land is a copy of target land on the
battlefield or in a player's graveyard.'
Wizards you control gain '{u}{t}: Create a
copy of an artifact on the battlefield or in a
player's graveyard. The copy is exiled if this
wizard leaves the battlefield or loses this ability.'