Morophon, the Boundless (Borderless) [CMM - 669] Judge Promos where X is the number

where X is the number of creatures you control with power 4 or greater

Barrowgoyf's power is equal to the number of card types among cards in all graveyards and its toughness is equal to that number plus 1

and 1 reference card

the aetheric disturbance here is no natural occurrence

Leyline Prodigy

Morophon, the Boundless (Borderless) [CMM - 669] Judge Promos where X is the numberRarity: M #: 669 Creature Type or Sub Type: Legendary Creature Shapeshifter P: 6 T: 6 Rules Text Contains: 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 WUBRG 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.