Is The Last Ronin legal in Standard, Modern, and Commander?

The Last Ronin is legal in: Standard, Modern, Pioneer, Legacy, Vintage, Commander, Historic.

The Last Ronin

Q: What type of card is The Last Ronin?

The Last Ronin is an Enchantment — Saga. Its oracle text reads: "(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.) I — Destroy all creatures. II — Mill four cards. When you do, return target creature card from your graveyard to your hand. III — Whenever a creature you control attacks alone this turn, put three +1/+1 counters on it. It gains trample, lifelink, and indestructible until end of turn."

Enchantment — Saga

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)

I — Destroy all creatures.

II — Mill four cards. When you do, return target creature card from your graveyard to your hand.

III — Whenever a creature you control attacks alone this turn, put three +1/+1 counters on it. It gains trample, lifelink, and indestructible until end of turn.

Set Teenage Mutant Ninja Turtles

Rarity Mythic Rare

Mana Value 6

Artist Hokyoung Kim

Collector # 154

Scryfall