Is Pool Resources legal in Standard, Modern, and Commander?

Pool Resources is legal in: Historic.

What type of card is Pool Resources?

Pool Resources is an Instant. Its oracle text reads: "Gift a tapped Fish Draw two cards. If the gift was promised, seek two nonland cards instead."

Instant

Gift a tapped Fish

Draw two cards. If the gift was promised, seek two nonland cards instead.

Set Alchemy: Bloomburrow

Rarity Uncommon

Mana Value 3

Artist Michele Giorgi

Collector # 6

Scryfall

Instant