Yiloone, Assimilating Mass

X is equal to the amount of Lands you control.
When you cast Yiloone, Assimilating Mass, gain control of all lands your opponents control until the end phase, than untap all those lands.
Yiloone, Assimilating Mass' power and toughness is equal to the number of lands you control.
Yiloone's body hosts countless planes devastated by the Eldrazi. Dead and crumbled shadows of life.