Mercadian Masques

{1}, {T}: Search your library for a Mercenary permanent card with mana value 1 or less, put it onto the battlefield, then shuffle.

Sacrifice a creature: Regenerate Cateran Overlord. {6}, {T}: Search your library for a Mercenary permanent card with mana value 6 or less, put it o...

{3}, {T}: Search your library for a Mercenary permanent card with mana value 3 or less, put it onto the battlefield, then shuffle.

Fear (This creature can't be blocked except by artifact creatures and/or black creatures.) {4}, {T}: Search your library for a Mercenary permanent...

{2}, {T}: Search your library for a Mercenary permanent card with mana value 2 or less, put it onto the battlefield, then shuffle.

{X}{B}, {T}, Discard a card: Target creature gets +X/+0 until end of turn.

{B}, {T}, Discard a card: Add {B}{B}{B}.

Swampwalk (This creature can't be blocked as long as defending player controls a Swamp.)

Whenever a creature dies, put a charge counter on Black Market. At the beginning of your precombat main phase, add {B} for each charge counter on B...