Is Zephyr Sentinel legal in Standard, Modern, and Commander?

Zephyr Sentinel is legal in: Modern, Pioneer, Legacy, Vintage, Commander, Historic.

Zephyr Sentinel

Q: What type of card is Zephyr Sentinel?

Zephyr Sentinel is a Creature — Human Soldier. Its oracle text reads: "Flash Flying When this creature enters, return up to one other target creature you control to its owner's hand. If it was a Soldier, put a +1/+1 counter on this creature."

Creature — Human Soldier

Flash

Flying

When this creature enters, return up to one other target creature you control to its owner's hand. If it was a Soldier, put a +1/+1 counter on this creature.

Set The Brothers' War

Rarity Uncommon

Mana Value 2

Artist Inkognit

Collector # 74

Scryfall Gatherer