World Economy

Commanders immune this effect,
Can't be removed from play
Effects of this card circumvent keyword abilities
Purchase: Any player may pay to gain control
of permanents by sacrificing 'Money' tokens equal
to half of that permanent's mana value rounded up
(Lands cost 10 minus X, X is no. of opponents)
Liquidate: Any player may sacrifice a permanent
they control to gain 'Money' tokens equal to its purchasing value