Is Collective Restraint legal in Standard, Modern, and Commander?

Collective Restraint is legal in: Legacy, Vintage, Commander.

What type of card is Collective Restraint?

Collective Restraint is an Enchantment. Its oracle text reads: "Domain — Creatures can't attack you unless their controller pays {X} for each creature they control that's attacking you, where X is the number of basic land types among lands you control."

Collective Restraint

Enchantment

Domain — Creatures can't attack you unless their controller pays for each creature they control that's attacking you, where X is the number of basic land types among lands you control.