Mana Echoes [Onslaught] Pro Tour Promos −2: Gain control of target

−2: Gain control of target artifact

Spend this mana only to cast creature spells

he stopped calling it his life's work

Whenever a player casts a spell with mana value equal to the number of charge counters on Chalice of the Void

even the lightest footstep can bring it to the surface

Mana Echoes [Onslaught] Pro Tour Promos −2: Gain control of targetSet: 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.