Is Tidal Influence legal in Standard, Modern, and Commander?

Tidal Influence is legal in: Legacy, Vintage, Commander.

What type of card is Tidal Influence?

Tidal Influence is an Enchantment. Its oracle text reads: "Cast this spell only if no permanents named Tidal Influence are on the battlefield.Tidal Influence enters with a tide counter on it.At the beginning of your upkeep, put a tide counter on Tidal Influence.As long as there is exactly one tide counter on Tidal Influence, all blue creatures get -2/-0.As long as there are exactly three tide counters on Tidal Influence, all blue creatures get +2/+0.Whenever there are four or more tide counters on Tidal Influence, remove all tide counters from it."

Tidal Influence

Enchantment

Cast this spell only if no permanents named Tidal Influence are on the battlefield. Tidal Influence enters with a tide counter on it. At the beginning of your upkeep, put a tide counter on Tidal Influence. As long as there is exactly one tide counter on Tidal Influence, all blue creatures get -2/-0. As long as there are exactly three tide counters on Tidal Influence, all blue creatures get +2/+0. Whenever there are four or more tide counters on Tidal Influence, remove all tide counters from it.

Set Fallen Empires

Rarity Uncommon

Artist Tom Wänerstrand