Cavern of Souls (0410f) (Borderless) [The Lost Caverns of Ixalan] Friday Night Magic 2007 Set: Onslaught Type: Sorcery Rarity:

Set: Onslaught Type: Sorcery Rarity: Rare Cost: {3}{B}{B} Each player chooses a creature type

Set: Classic Sixth Edition Type: Artifact Rarity: Rare Cost: {1} Creatures with power 3 or greater don't untap during their controllers' untap steps

where X is the number of +1/+1 counters on Chasm Skulker

When Sidisi

Cavern of Souls (0410f) (Borderless) [The Lost Caverns of Ixalan] Friday Night Magic 2007 Set: Onslaught Type: Sorcery Rarity:Set: The Lost Caverns of Ixalan Type: Land Rarity: Mythic As Cavern of Souls enters the battlefield, choose a creature type. {T}: Add {C}. {T}: Add one mana of any color. Spend this mana only to cast a creature spell of the chosen type, and that spell can't be countered.