Karma [Fifth Edition] ST13-014 sacrifice it unless {B} was

sacrifice it unless {B} was spent to cast it

"Some see a coastal disaster

Set: Commander 2013 Type: Creature — Beast Rarity: Rare Cost: {1}{R}{G}{G} This spell can't be countered

Set: Collectors’ Edition Type: Enchantment — Aura Rarity: Uncommon Cost: {1}{G}{G} Enchant creature

Set: Revised Edition Type: Enchantment Rarity: Uncommon Cost: {2}{U} All artifacts have "At the beginning of your upkeep

Karma [Fifth Edition] ST13-014 sacrifice it unless {B} wasSet: Fifth Edition Type: Enchantment Rarity: Uncommon Cost: {2}{W}{W} At the beginning of each player's upkeep, Karma deals damage to that player equal to the number of Swamps they control.