Rakdos Carnarium [Commander 2016] SPA Mina aullante that creature's controller loses life

that creature's controller loses life equal to its toughness

If you search your library this way

Set: Portal Three Kingdoms Type: Legendary Creature — Human Soldier Warrior Rare Cost: {3}{W}{W} Horsemanship (This creature can't be blocked except by creatures with horsemanship

Set: Khans of Tarkir Type: Instant Rare Cost: {R}{W} The next time a source of your choice would deal damage to you this turn

Set: Iconic Masters Type: Creature — Human Assassin Common Cost: {1}{B} Deathtouch Unleash (You may have this creature enter the battlefield with a +1/+1 counter on it

Rakdos Carnarium [Commander 2016] SPA Mina aullante that creature's controller loses lifeSet: Commander 2016 Type: Land Uncommon Cost: Rakdos Carnarium enters the battlefield tapped. When Rakdos Carnarium enters the battlefield, return a land you control to its owner's hand. {T}: Add {B}{R}.