Citidel of Confusion

Double Tap (Add {c} then you may pay {2}. If you
do, you may tap this land for a second time and add 1
mana of any colour)
{ut},{1}: Untap one tap action on this land
{ut}, Pay 2 Life: Untap two tapped actions. Citadel
of Confusion can't untap during this turn
{ut},{1},{t},{2}: Tap target land. You may add 2
mana of the opposite color to the type of mana
that land could produce
We hate our rivals; the 'Bastion of Befuddlement'!