Royal Assassin [Revised Edition (Foreign Black Border)] Chronicles Sacrifice another creature: You gain

Sacrifice another creature: You gain life equal to the sacrificed creature's toughness

if it had no +1/+1 counters on it

Set: Commander 2016 Type: Enchantment Uncommon Cost: {2}{W} Creatures can't attack you unless their controller pays {2} for each creature they control that's attacking you

Set: Legends Type: Sorcery Rare Cost: {2}{B}{B} Exile All Hallow's Eve with two scream counters on it

Set: World Championship Decks 1999 Type: Instant — Rarity: Uncommon Cost: {1}{G} Buyback—Sacrifice a land

Royal Assassin [Revised Edition (Foreign Black Border)] Chronicles Sacrifice another creature: You gainSet: Revised Edition (Foreign Black Border) Type: Creature Human Assassin Rare Cost: {1}{B}{B} {T}: Destroy target tapped creature.