When this creature enters, create a Treasure token. (It's an artifact with "T, Sacrifice this token: Add one mana of any color.")
Whenever this creature attacks, you may sacrifice an artifact or discard a card. If you do, this creature gets +2/+0 until end of turn.
Whenever this creature attacks, you may sacrifice an artifact or discard a card. If you do, this creature gets +2/+0 until end of turn.
