Is Power Surge legal in Standard, Modern, and Commander?

Power Surge is legal in: Legacy, Vintage, Commander.

Power Surge

Q: What type of card is Power Surge?

Power Surge is an Enchantment. Its oracle text reads: "At the beginning of each player's upkeep, Power Surge deals X damage to that player, where X is the number of untapped lands they controlled at the beginning of this turn."

Enchantment

At the beginning of each player's upkeep, Power Surge deals X damage to that player, where X is the number of untapped lands they controlled at the beginning of this turn.

Set Limited Edition Alpha

Rarity Rare

Artist Douglas Shuler