Aven Riftwatcher 1/165 (The List Reprints)

Flying Vanishing 3 (This creature enters with three time counters on it. At the beginning of your upkeep, remove a time counter from it. When the last is removed, sacrifice it.) When this creature enters or leaves the battlefield, you gain 2 life.

NM - $0.50
LP - $0.50
MP - $0.50
HP - $0.50
DMG - $0.50