Morophon, the Boundless [The List] Rivals of Ixalan where X is the mana

where X is the mana value of the exiled creature

Set: Magic Premiere Shop 2011 Type: Basic Land — Swamp Rarity: Common ({T}: Add {B}

Set: Legends Type: Legendary Creature — Elder Dragon Rarity: Rare Cost: {2}{G}{G}{W}{W}{U}{U} Flying

Set: Commander's Arsenal Oversized Type: Legendary Creature — Sliver Rarity: Rare Cost: {W}{U}{B}{R}{G} {2}: Create a 1/1 colorless Sliver creature token

Morophon, the Boundless [The List] Rivals of Ixalan where X is the manaSet: The List 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.