Is Visions of Dominance legal in Standard, Modern, and Commander?

Visions of Dominance is legal in: Legacy, Vintage, Commander.

What type of card is Visions of Dominance?

Visions of Dominance is a Sorcery. Its oracle text reads: "Put a +1/+1 counter on target creature, then double the number of +1/+1 counters on it. Flashback {8}{G}{G}. This spell costs {X} less to cast this way, where X is the greatest mana value of a commander you own on the battlefield or in the command zone. (You may cast this card from your graveyard for its flashback cost. Then exile it.)"

Visions of Dominance

Sorcery

Put a +1/+1 counter on target creature, then double the number of +1/+1 counters on it.

Flashback . This spell costs less to cast this way, where X is the greatest mana value of a commander you own on the battlefield or in the command zone. (You may cast this card from your graveyard for its flashback cost. Then exile it.)