Lisbeth, Dockside Bargainer

Whenever you discard a card, create a treasure
token.
Tap two untapped artifacts you control: Lisbeth,
Dockside Bargainer deals 1 damage to any target.
Sacrifice an artifact: Draw a card. Play this ability
once per turn as a sorcery, and only if you have 7
or more cards in your hand.
"You'll pay my price if you want to use my dock."