Engineered Explosives [Kaladesh Inventions] Legions While it's true that a

While it's true that a quillspike does heal the sick

return it to the battlefield under its owner's control with a -1/-1 counter on it

The Earth herself lends her strength to these walls of living stone

Activate this ability only if you control six or more artifacts

You can't choose the same card twice

Engineered Explosives [Kaladesh Inventions] Legions While it's true that aSet: Kaladesh Inventions Type: Artifact Mythic Cost: {X} Sunburst (This enters the battlefield with a charge counter on it for each color of mana spent to cast it.) {2}, Sacrifice Engineered Explosives: Destroy each nonland permanent with converted mana cost equal to the number of charge counters on Engineered Explosives.