Is Daybreak Chimera legal in Standard, Modern, and Commander?

Daybreak Chimera is legal in: Modern, Pioneer, Legacy, Vintage, Commander, Pauper, Historic.

What type of card is Daybreak Chimera?

Daybreak Chimera is a Creature — Chimera. Its oracle text reads: "This spell costs {X} less to cast, where X is your devotion to white. (Each {W} in the mana costs of permanents you control counts toward your devotion to white.) Flying"

Daybreak Chimera

Creature — Chimera

This spell costs less to cast, where X is your devotion to white. (Each in the mana costs of permanents you control counts toward your devotion to white.)