Jet Collector{1}{G}

Creature — Merfolk Scout

At the beginning of your second main phase, if there are four or more cards in your graveyard, conjure a card named Mox Jet into your hand. This ability triggers only once. {X}{B}: Return target creature card with mana value X from your graveyard to the battlefield with a finality counter on it. Activate only as a sorcery.