The Sacred River

The Sacred River enters the battlefield tapped.

{t}: Add {c}.

{t}, Pay 1 life: Add one mana of any color.

Sacrifice The Sacred River: Add {w}{w}{u}{u}{b}{b}{r}{r}{g}{g}

When you cycle a card, exile that card and put a flood counter on it. Whenever The Sacred River enters the graveyard from anywhere, return all cards in exile with flood counters on them to the battlefield tapped.