Is Bright-Palm, Soul Awakener legal in Standard, Modern, and Commander?

Bright-Palm, Soul Awakener is legal in: Legacy, Vintage, Commander.

Bright-Palm, Soul Awakener

Q: What type of card is Bright-Palm, Soul Awakener?

Bright-Palm, Soul Awakener is a Legendary Creature — Fox Shaman. Its oracle text reads: "Backup 1 (When this creature enters, put a +1/+1 counter on target creature. If that's another creature, it gains the following ability until end of turn.) Whenever this creature attacks, double the number of +1/+1 counters on target creature. That creature can't be blocked by creatures with power 2 or less this turn."

Legendary Creature — Fox Shaman

Backup 1 (When this creature enters, put a +1/+1 counter on target creature. If that's another creature, it gains the following ability until end of turn.)

Whenever this creature attacks, double the number of +1/+1 counters on target creature. That creature can't be blocked by creatures with power 2 or less this turn.

Set March of the Machine Commander

Rarity Mythic Rare

Mana Value 4

Artist Mila Pesic

Collector # 1

Scryfall Gatherer