Is Littjara Mirrorlake legal in Standard, Modern, and Commander?

Littjara Mirrorlake is legal in: Modern, Pioneer, Legacy, Vintage, Commander, Historic.

Littjara Mirrorlake

Q: What type of card is Littjara Mirrorlake?

Littjara Mirrorlake is a Land. Its oracle text reads: "This land enters tapped. {T}: Add {U}. {2}{G}{G}{U}, {T}, Sacrifice this land: Create a token that's a copy of target creature you control, except it enters with an additional +1/+1 counter on it. Activate only as a sorcery."

Land

This land enters tapped.

: Add .

, , Sacrifice this land: Create a token that's a copy of target creature you control, except it enters with an additional +1/+1 counter on it. Activate only as a sorcery.