Is Jedit Ojanen, Mercenary legal in Standard, Modern, and Commander?

Jedit Ojanen, Mercenary is legal in: Legacy, Vintage, Commander.

What type of card is Jedit Ojanen, Mercenary?

Jedit Ojanen, Mercenary is a Legendary Creature — Cat Mercenary. Its oracle text reads: "Whenever Jedit Ojanen or another legendary creature you control enters, you may pay {G}. If you do, create a 2/2 green Cat Warrior creature token with forestwalk. (It can't be blocked as long as defending player controls a Forest.) Power/Toughness: 3/3"

Jedit Ojanen, Mercenary

Legendary Creature — Cat Mercenary

Whenever Jedit Ojanen or another legendary creature you control enters, you may pay . If you do, create a 2/2 green Cat Warrior creature token with forestwalk. (It can't be blocked as long as defending player controls a Forest.)