2018-04-27 : Broken Bond’s effect doesn’t count as playing a land. It can put a land card onto the battlefield even if you’ve already played your land for the turn.

2018-04-27 : If the target artifact or enchantment is an illegal target by the time Broken Bond tries to resolve, the spell doesn’t resolve. You won’t put a land card onto the battlefield.

2018-04-27 : You can’t cast Broken Bond unless you choose an artifact or enchantment as a target.