Is Green Mana Battery legal in Standard, Modern, and Commander?

Green Mana Battery is legal in: Legacy, Vintage, Commander.

What type of card is Green Mana Battery?

Green Mana Battery is an Artifact. Its oracle text reads: "{2}, {T}: Put a charge counter on Green Mana Battery.{T}, Remove any number of charge counters from Green Mana Battery: Add {G}, then add an additional {G} for each charge counter removed this way."

Green Mana Battery

Artifact

, : Put a charge counter on Green Mana Battery.<br>, Remove any number of charge counters from Green Mana Battery: Add , then add an additional for each charge counter removed this way.