Flash (You may cast this spell any time you could cast an instant.)Enchant creatureEnchanted creature loses all abilities and is a black Skeleton creature with base power and toughness 1/1. (It loses all other colors, card types, and creature types.)
Target creature gets -5/-5 until end of turn.Descend 4 — That creature gets -10/-10 until end of turn instead if there are four or more permanent cards in your graveyard.
Target creature gets -5/-5 until end of turn.Descend 4 — That creature gets -10/-10 until end of turn instead if there are four or more permanent cards in your graveyard.
As an additional cost to cast this spell, discard a card or sacrifice a permanent.Fathomless descent — Souls of the Lost's power is equal to the number of permanent cards in your graveyard and its toughness is equal to that number plus 1.
Hidden Courtyard enters tapped.: Add ., , Sacrifice Hidden Courtyard: Discover 4. Activate only as a sorcery. (Exile cards from the top of your library until you exile a nonland card with mana value 4 or less. Cast it without paying its mana cost or put it into your hand. Put the rest on the bottom in a random order.)
Hidden Courtyard enters tapped.: Add ., , Sacrifice Hidden Courtyard: Discover 4. Activate only as a sorcery. (Exile cards from the top of your library until you exile a nonland card with mana value 4 or less. Cast it without paying its mana cost or put it into your hand. Put the rest on the bottom in a random order.)