Is Hardened Bonds legal in Standard, Modern, and Commander?

Hardened Bonds is legal in: Historic.

Hardened Bonds

Q: What type of card is Hardened Bonds?

Hardened Bonds is an Enchantment. Its oracle text reads: "Whenever a +1/+1 counter is put on a creature you control, seek a creature card. That card perpetually gets +1/+1. This ability triggers only once each turn."

Enchantment

Whenever a +1/+1 counter is put on a creature you control, seek a creature card. That card perpetually gets +1/+1. This ability triggers only once each turn.

Set Alchemy: Tarkir

Rarity Rare

Mana Value 1

Artist Xavier Ribeiro

Collector # 16

Scryfall