Is Oaken Brawler legal in Standard, Modern, and Commander?

Oaken Brawler is legal in: Modern, Legacy, Vintage, Commander, Pauper.

Oaken Brawler

Q: What type of card is Oaken Brawler?

Oaken Brawler is a Creature — Treefolk Warrior. Its oracle text reads: "When this creature enters, clash with an opponent. If you win, put a +1/+1 counter on this creature. (Each clashing player reveals the top card of their library, then puts that card on their choice of the top or bottom. A player wins if their card had a greater mana value.)"

Creature — Treefolk Warrior

When this creature enters, clash with an opponent. If you win, put a +1/+1 counter on this creature. (Each clashing player reveals the top card of their library, then puts that card on their choice of the top or bottom. A player wins if their card had a greater mana value.)

Set Lorwyn

Rarity Common

Mana Value 4

Artist Jim Murray

Collector # 33

Scryfall Gatherer