Is Noxious Toad legal in Standard, Modern, and Commander?

Noxious Toad is legal in: Legacy, Vintage, Commander.

What type of card is Noxious Toad?

Noxious Toad is a Creature — Frog. Its oracle text reads: "When this creature dies, each opponent discards a card. Power/Toughness: 1/1"

Creature — Frog

When this creature dies, each opponent discards a card.

Power/Toughness: 1/1

Set Portal

Rarity Uncommon

Mana Value 3

Artist Adrian Smith

Collector # 104

Scryfall

Creature Commander Legacy Vintage