Is Vikya, Scorching Stalwart legal in Standard, Modern, and Commander?

Vikya, Scorching Stalwart is legal in: Legacy, Vintage, Commander.

What type of card is Vikya, Scorching Stalwart?

Vikya, Scorching Stalwart is a Legendary Creature — Human Warrior. Its oracle text reads: "Training (Whenever this creature attacks with another creature with greater power, put a +1/+1 counter on this creature.) {4}{R}, {Q}, Discard a card: Vikya, Scorching Stalwart deals damage equal to its power to any target. If excess damage was dealt to a creature this way, draw a card. ({Q} is the untap symbol.)"

Vikya, Scorching Stalwart

Legendary Creature — Human Warrior

Training (Whenever this creature attacks with another creature with greater power, put a +1/+1 counter on this creature.)

, , Discard a card: Vikya, Scorching Stalwart deals damage equal to its power to any target. If excess damage was dealt to a creature this way, draw a card. ( is the untap symbol.)