At the beginning of your upkeep, sacrifice this enchantment unless you pay {G}.
Whenever a player puts a Swamp onto the battlefield, this enchantment deals 3 damage to that player unless the player puts a -1/-1 counter on a creature they control.
Legalities
tlrlegal
duellegal
brawlnot legal
pennynot legal
PreDH
Rulings · 1
wotc
Damages the player putting the land onto the battlefield, even if they are not the controller of the land after it is on the battlefield.
Notes
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