Geldeem Trading Secrecy

At the beginning of each endstep, you may discard a card. If your do, untap Geldeem Trading Secrecy.
{1}, {t}, Pay 1 life: Exile a card from your graveyard.
{1}, {t}, Put an exiled card you own on the bottom of your library: Put a 1/1 white Human Soldier creature token onto the battlefield.
{1}, {t}, Put two exiled cards you own on the bottom of your library: Draw a card and gain 1 life.