Traxos, grand destroyer

Whenever a creature with one or more colors enters the battlefield under your control, sacrifice it, destroy target creature that is one or more colors.
whenever a creature is put into your graveyard from play put a +1/+1 counter on Traxos, grand destroyer and return that creature to the battlefield except its a 0/4 colorless artifact creature with "{t}; deal 1 damage to target creature that is one or more colors."