Tourach's Chant

At the beginning of your upkeep, sacrifice this enchantment unless you pay {B}. Whenever a player puts a Forest onto the battlefield, this enchantment deals 3 damage to that player unless they put a -1/-1 counter on a creature they control.

From Magic: The Gathering.

Open the interactive version on https://mythscribe.cloud/app/tcg/cards/cms6o2my90nd1pb1hq50is4nh.