Sacrifice [Beta Edition] Media Promos Set: EX: Sandstorm Type: Lightning

Set: EX: Sandstorm Type: Lightning Rarity: Ultra Rare Retreat cost: Colorless

Set: XY: Steam Siege Type: Darkness Rarity: Ultra Rare Retreat cost: 0

you can Special Summon 1 "Jack's Knight" from your Deck

Set: Sun & Moon: Black Star Promos Type: Metal Rarity: Promo Retreat cost: Colorless

Set: Commander 2014 Type: Artifact Rarity: Rare Cost: {2} Black spells you cast cost {1} less to cast

Sacrifice [Beta Edition] Media Promos Set: EX: Sandstorm Type: LightningSet: Beta Edition Type: Instant Rarity: Uncommon Cost: {B} As an additional cost to cast this spell, sacrifice a creature. Add an amount of {B} equal to the sacrificed creature's mana value.