They are different cards and you can have both on the battlefield at the same time.
The Legend Rule looks at the card's name. The full name must be equal. Those two have different card names, so you can control both at the same time just fine.
Also, the Legend Rule doesn't prevent you from playing anything. It makes you send all copies except you, your choice, to the graveyard, so it applies after the extra copy enters the battlefield.
The Legend Rule looks at the card's name. The full name must be equal. Those two have different card names, so you can control both at the same time just fine.
Also, the Legend Rule doesn't prevent you from playing anything. It makes you send all copies except you, your choice, to the graveyard, so it applies after the extra copy enters the battlefield.
Long live Dragonlord Kolaghan