Drown in Filth
From Dragon's Maze set
Drown in Filth
Sorcery
Choose target creature. Mill four cards, then that creature gets -1/-1 until end of turn for each land card in your graveyard.
Rulings
- You choose the target of Drown in Filth as you cast the spell. You won’t necessarily know what will happen to that creature’s power and toughness at that time.