Curse of Leeches // Leeching Lurker

Curse of Leeches

Enchantment — Aura Curse

Enchant playerAs this permanent transforms into Curse of Leeches, attach it to a player.At the beginning of enchanted player's upkeep, they lose 1 life and you gain 1 life.Daybound (If a player casts no spells during their own turn, it becomes night next turn.)

Creature — Leech Horror

LifelinkNightbound (If a player casts at least two spells during their own turn, it becomes day next turn.)

First darkness falls. Then it burrows in.