Is Shield Bearer legal in Standard, Modern, and Commander?

Shield Bearer is legal in: Legacy, Vintage, Commander, Pauper.

Shield Bearer

Q: What type of card is Shield Bearer?

Shield Bearer is a Creature — Human Soldier. Its oracle text reads: "Banding (Any creatures with banding, and up to one without, can attack in a band. Bands are blocked as a group. If any creatures with banding you control are blocking or being blocked by a creature, you divide that creature's combat damage, not its controller, among any of the creatures it's being blocked by or is blocking.)"

Creature — Human Soldier

Banding (Any creatures with banding, and up to one without, can attack in a band. Bands are blocked as a group. If any creatures with banding you control are blocking or being blocked by a creature, you divide that creature's combat damage, not its controller, among any of the creatures it's being blocked by or is blocking.)

Set Ice Age

Rarity Common

Artist Dan Frazier