Mana Echoes [Onslaught] Pro Tour Promos Set: Alpha Edition Type: Creature

Set: Alpha Edition Type: Creature — Dwarf Rarity: Uncommon Cost: {2}{R} {T}: Destroy target Wall

Set: Explorers of Ixalan Type: Instant Rarity: Rare Cost: {5}{W} Double target player's life total

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

you may pay {B}

Mana Echoes [Onslaught] Pro Tour Promos Set: Alpha Edition Type: CreatureSet: 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.