Cateran Slaver [Mercadian Masques] SPA Titan quebrador X is the converted mana

X is the converted mana cost of that card

"By tradition

But it's a powerful ancient artifact in a city of gold—what's not to covet

Set: Legions Type: Creature — Horror Rare Cost: {2}{B} Drinker of Sorrow can't block

but even worse is all that time to think

Cateran Slaver [Mercadian Masques] SPA Titan quebrador X is the converted manaSet: Mercadian Masques Type: Creature Horror Mercenary Rare Cost: {4}{B}{B} Swampwalk (This creature can't be blocked as long as defending player controls a Swamp.) {5}, {T}: Search your library for a Mercenary permanent card with converted mana cost 5 or less and put it onto the battlefield. Then shuffle your library.