Curse of Leeches

“Enchant player <br>As this permanent transforms into Curse of Leeches, attach it to a player. <br>At the beginning of enchanted player's upkeep, they lose 1 life and you gain 1 life. <br>Daybound <em>(If a player casts no spells during their own turn, it becomes night next turn.)</em> <br>//<br> <strong>Leeching Lurker</strong> <br> Lifelink <br> Nightbound <em>(If a player casts at least two spells during their own turn, it becomes day next turn.)</em>”