Is Seekers' Squire legal in Standard, Modern, and Commander?

Seekers' Squire is legal in: Modern, Pioneer, Legacy, Vintage, Commander, Pauper, Historic.

Seekers' Squire

Q: What type of card is Seekers' Squire?

Seekers' Squire is a Creature — Human Scout. Its oracle text reads: "When this creature enters, it explores. (Reveal the top card of your library. Put that card into your hand if it's a land. Otherwise, put a +1/+1 counter on this creature, then put the card back or put it into your graveyard.)"

Creature — Human Scout

$0.06 ↗20 similarCommander, Modern

When this creature enters, it explores. (Reveal the top card of your library. Put that card into your hand if it's a land. Otherwise, put a +1/+1 counter on this creature, then put the card back or put it into your graveyard.)

Set Double Masters 2022

Rarity Common

Mana Value 2

Artist Anthony Palumbo

Collector # 87