Shadra, Darkweaver

Menace, hexproof
When Shadra, Darkweaver enters the battlefield,
tap X land. This land does not untap until Shadra, Darkweaver deals damage. Shadra, Darkweaver's
power and toughness are equal to the number of
land tapped.

"The Abyss is for the weak to fear and the strong to
bend. Come, child, and be counted among the strong."