Black Market [Mercadian Masques] Human Wizard creatures you control have first

creatures you control have first strike and equip abilities you activate cost {1} less to activate

"This is the Source

When Dark Depths has no ice counters on it

Set: Mystery Booster Type: Creature — Elf Shaman Rarity: Common Cost: {G} Whenever another creature enters the battlefield

Set: Commander Masters Type: Sorcery Rarity: Rare Cost: {2}{W}{W} Destroy all creatures

Black Market [Mercadian Masques] Human Wizard creatures you control have firstSet: Mercadian Masques Type: Enchantment Rarity: Rare Cost: {3}{B}{B} 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 Black Market.