Whenever another artifact enters the battlefield under your control or another artifact you control leaves the battlefield, you may pay {1}. If you do, target player loses 1 life and you gain 1 life.
Underneath the cities of Esper are cycles of life unseen by those who feed them.
Near Mint - $0.40
Lightly Played - $0.30
Played - $0.30
Heavily Played - $0.20
Damaged - $0.20
Near Mint Non-English - $0.40
Lightly Played Non-English - $0.30
Played Non-English - $0.30
Heavily Played Non-English - $0.20
Damaged Non-English - $0.20