Case of the Locked Hothouse is a rare Enchantment — Case card from Magic: The Gathering (Murders at Karlov Manor Promos, PMKM).
Rare
Murders at Karlov Manor Promos (PMKM)
{3}{G}
Mana Value
4
Colors
G
Card Text
You may play an additional land on each of your turns.
To solve — You control seven or more lands. (If unsolved, solve at the beginning of your end step.)
Solved — You may look at the top card of your library any time, and you may play lands and cast creature and enchantment spells from the top of your library.