Mana Echoes [Onslaught] 171 you can discard 1 DARK

you can discard 1 DARK monster to send 1 DARK monster from your Deck to your Graveyard

Set: Spell Ruler Card type: Toon/Effect Monster Rarity: Ultra Rare Attack: 2500 Defense: 1200 This card cannot be Normal Summoned or Set

Set: Shadow of Infinity Card type: Effect Monster Rarity: Ultimate Rare Attack: 2400 Defense: 1800 This card cannot be Normal Summoned or Set

if it was sent there this turn

Mana Echoes [Onslaught] 171 you can discard 1 DARKSet: 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.