Yil-Zorthur, All-Dreamer

{t}: Add {c} to your mana pool. This card enters
the battlefield tapped. When this card enters the battlefield, sacrifice X lands you control. X can't
be 0. On your upkeep, mill X, loose X life: you
may put a land card revealed this way onto the battlefield tapped. Landfall — Whenever a land
enters the battlefield under your control, you may
tap this card and pay {c}{c}{c}{c}: you may play
lands from your graveyard this turn. This card's toughness is equal to the number of lands yo