Is Grim Affliction legal in Standard, Modern, and Commander?

Grim Affliction is legal in: Modern, Legacy, Vintage, Commander, Pauper.

Grim Affliction

Q: What type of card is Grim Affliction?

Grim Affliction is an Instant. Its oracle text reads: "Put a -1/-1 counter on target creature, then proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.) *Even the small wounds let hope bleed out.*"

Instant

Put a -1/-1 counter on target creature, then proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

*Even the small wounds let hope bleed out.*

Set Modern Masters 2015

Rarity Common

Mana Value 3

Artist Erica Yang

Collector # 84

Scryfall