Gitaxias' Swarm

Flying
Gitaxias' Swarm is not affected by the legendary rule
When Gitaxias' Swarm enters the battlefield, put a token that is a copy of Gitaxias' Swarm onto the battlefield for each time you have cast your commander from the command zone this game.
When a card named Gitaxias' Swarm deals combat damage to an opponent, put a token that is a copy of Gitaxias' Swarm onto the battlefield.