Is Aether Spike legal in Standard, Modern, and Commander?

Aether Spike is legal in: Modern, Legacy, Vintage, Commander, Pauper, Historic.

What type of card is Aether Spike?

Aether Spike is an Instant. Its oracle text reads: "Choose target spell. You get {E}{E} (two energy counters), then you may pay any amount of {E}. Counter that spell unless its controller pays {1} for each {E} paid this way."

Aether Spike

Instant

Choose target spell. You get (two energy counters), then you may pay any amount of . Counter that spell unless its controller pays for each paid this way.