Mogis, God of Slaughter [Secret Lair Drop Series] Dark Ascension you may pay {0} rather

you may pay {0} rather than pay the mana cost for a spell you cast with converted mana cost X or less

One of the greatest steeds in the empire

The player sacrifices that creature

Set: Modern Masters Type: Legendary Creature — Human Advisor Rarity: Rare Cost: {2}{W}{U} White spells you cast cost {1} less to cast

Mogis, God of Slaughter [Secret Lair Drop Series] Dark Ascension you may pay {0} ratherSet: Secret Lair Drop Series Type: Legendary Enchantment Creature God Rarity: Mythic Cost: {2}{B}{R} Indestructible As long as your devotion to black and red is less than seven, Mogis isn't a creature. At the beginning of each opponent's upkeep, Mogis deals 2 damage to that player unless they sacrifice a creature.