Mana Echoes [Onslaught] SM181 Set: EX: Crystal Guardians Type:

Set: EX: Crystal Guardians Type: Lightning Rarity: Holo Rare Retreat cost: Colorless

Set: Pokémon Rumble Type: Fighting Rarity: Promo Retreat cost: Colorless

Set: XY: BREAKpoint Type: Water Rarity: Promo Retreat cost: 0

at the beginning of each of your upkeeps for the rest of the game

{1}: Target noncreature artifact becomes an artifact creature with power and toughness each equal to its mana value until end of turn

Mana Echoes [Onslaught] SM181 Set: EX: Crystal Guardians Type:Set: 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.