Mana Echoes [Onslaught] Portal Three Kingdoms sacrifice Conversion unless you pay

sacrifice Conversion unless you pay {W}{W}

Set: Conspiracy: Take the Crown Type: Enchantment Rarity: Rare Cost: {G} Whenever an opponent plays a land

Whenever Lu Xun

Set: Portal Three Kingdoms Type: Sorcery Rarity: Uncommon Cost: {1}{R} Rockslide Ambush deals damage to target creature equal to the number of Mountains you control

Spend this mana only to cast artifact spells

Mana Echoes [Onslaught] Portal Three Kingdoms sacrifice Conversion unless you paySet: Onslaught Type: Enchantment Rarity: Rare Cost: {2}{R}{R} Whenever a creature enters the battlefield, you may add an amount of {C} equal to the number of creatures you control that share a creature type with it. When the ground is saturated with mana, even the lightest footstep can bring it to the surface.