Engineered Explosives [Kaladesh Inventions] Standard But I doubt it

But I doubt it

Set: Onslaught Type: Land Rarity: Rare {T}

if you control the artifact with the highest mana value or tied for the highest mana value

Set: Commander 2014 Type: Artifact — Equipment Rarity: Uncommon Cost: {1} Equipped creature gets +1/-1

When you control no Islands

Engineered Explosives [Kaladesh Inventions] Standard But I doubt itSet: Kaladesh Inventions Type: Artifact Rarity: 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 mana value equal to the number of charge counters on Engineered Explosives.