Homicide Investigator (Showcase) [Murders at Karlov Manor] Beast/Night Claw that source's controller sacrifices that

that source's controller sacrifices that many permanents

Admirable advice

Set: Limited Edition Beta Type: Creature — Nightmare Horse Rarity: Rare Cost: {5}{B} Flying (This creature can't be blocked except by creatures with flying or reach

If you control a blue permanent and a black permanent

Set: Magic 2010 Type: Enchantment Rarity: Rare Cost: {3}{R} Whenever a player taps a land for mana

Homicide Investigator (Showcase) [Murders at Karlov Manor] Beast/Night Claw that source's controller sacrifices thatSet: Murders at Karlov Manor Type: Creature Human Detective Rarity: Rare Cost: {1}{B} Whenever one or more nontoken creatures you control die, investigate. This ability triggers only once each turn. INVESTIGATIVE SKILLS: IMPECCABLE. PEOPLE SKILLS: LACKING.