Morophon, the Boundless [Modern Horizons] Commander 2016 Tokens a spell that would cost

a spell that would cost {1}{B} to cast costs {2}{B} to cast instead

Set: The Lord of the Rings: Tales of Middle-Earth Type: Legendary Creature — Elf Noble Rarity: Rare Cost: {2}{G}{U} Whenever you scry

Set: Sword & Shield: Astral Radiance Type: Darkness Rarity: Ultra Rare Retreat cost: 0

Set: Unknown Event Type: Artifact Creature — Frog Myr Salamander Rarity: Common Cost: {6} Affinity for Affinity (This card costs 1 less to cast for each permanent you control with Affinity

which help the deck reach threshold more quickly

Morophon, the Boundless [Modern Horizons] Commander 2016 Tokens a spell that would costSet: 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.