Trading Outpost

{1}, Tap, Discard a card: You gain 4 life.
{1}, Tap, Pay 1 life: Create a 0/1 white Goat
creature token.
{1}, Tap, Sacrifice a creature: Return target
artifact card from your graveyard to your hand.
{1}, Tap, Sacrifice an artifact: Draw a card.
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Trading posts are heretical ideas. The Empire mantain
them in order to gain technology from unwise races.