Morophon, the Boundless [Modern Horizons] Sarkhan its controller adds an additional

its controller adds an additional one mana of that color

yet never once found the place where the buildings fail

and that spell can't be countered

At the beginning of the end step

Morophon, the Boundless [Modern Horizons] Sarkhan its controller adds an additionalSet: Modern Horizons Type: Legendary Creature Shapeshifter Rarity: Mythic Cost: {7} Changeling (This card is every creature type.) As Morophon, the Boundless enters the battlefield, choose a creature type. Spells of the chosen type you cast cost {W}{U}{B}{R}{G} less to cast. This effect reduces only the amount of colored mana you pay. Other creatures you control of the chosen type get +1 +1.