Is Guildpact Informant legal in Standard, Modern, and Commander?

Guildpact Informant is legal in: Modern, Pioneer, Legacy, Vintage, Commander, Pauper, Historic.

Guildpact Informant

Q: What type of card is Guildpact Informant?

Guildpact Informant is a Creature — Faerie Rogue. Its oracle text reads: "Flying Whenever this creature deals combat damage to a player or planeswalker, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.) *"Of course you're being followed!"* Power/Toughness: 1/1"

Creature — Faerie Rogue

Flying

Whenever this creature deals combat damage to a player or planeswalker, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

*"Of course you're being followed!"*

Power/Toughness: 1/1

Set War of the Spark

Rarity Common

Mana Value 3

Artist Randy Gallegos

Collector # 271

Scryfall