Is Sokenzan, Crucible of Defiance legal in Standard, Modern, and Commander?

Sokenzan, Crucible of Defiance is legal in: Modern, Pioneer, Legacy, Vintage, Commander, Historic.

Sokenzan, Crucible of Defiance

Q: What type of card is Sokenzan, Crucible of Defiance?

Sokenzan, Crucible of Defiance is a Legendary Land. Its oracle text reads: "{T}: Add {R}. Channel — {3}{R}, Discard this card: Create two 1/1 colorless Spirit creature tokens. They gain haste until end of turn. This ability costs {1} less to activate for each legendary creature you control."

Legendary Land

: Add .

Channel — , Discard this card: Create two 1/1 colorless Spirit creature tokens. They gain haste until end of turn. This ability costs less to activate for each legendary creature you control.