Gaea's Liege (CE)

(This card has square corners and a gold bordered back. Not tournament legal.) When defending, Gaea’s Liege has power and toughness equal to the number of forests you have in play; when it’s attacking, they are equal to the number of forests opponent has in play. Tap to turn any one land into a forest until Gaea’s Liege leaves play. Mark changed lands with counters, removing the counters when Gaea’s Liege leaves play.