"Brock Grossman" (4)
At the beginning of your upkeep, Black Market Tycoon deals 2 damage to you for each Treasure you control.
: Create a Treasure token.
: Add . Put a stash counter on Glittering Stockpile.
, Sacrifice Glittering Stockpile: Add X mana of any one color, where X is the number of stash counters on Glittering Stockpile.
When Phyrexian Rager enters the battlefield, you draw a card and you lose 1 life.
Commander creatures you own have "Whenever this creature attacks a player, if no opponent has more life than that player, for each opponent, create a 1/1 white Soldier creature token that's tapped and attacking that opponent."
Gatherer works better in the Companion app!
: Add 
. Put a stash counter on Glittering Stockpile., Sacrifice Glittering Stockpile: Add X mana of any one color, where X is the number of stash counters on Glittering Stockpile.