Is Halsin, Emerald Archdruid legal in Standard, Modern, and Commander?

Halsin, Emerald Archdruid is legal in: Legacy, Vintage, Commander.

Halsin, Emerald Archdruid

Q: What type of card is Halsin, Emerald Archdruid?

Halsin, Emerald Archdruid is a Legendary Creature — Elf Druid. Its oracle text reads: "{1}: Until end of turn, target token you control becomes a green Bear creature with base power and toughness 4/4 in addition to its other colors and types. Choose a Background (You can have a Background as a second commander.) Power/Toughness: 2/4"

Legendary Creature — Elf Druid

: Until end of turn, target token you control becomes a green Bear creature with base power and toughness 4/4 in addition to its other colors and types.