Im no longer on board, and you shouldnt be either
If, during a player's declare attackers step, a creature that player controls that's been goaded is tapped, is affected by a spell or ability that says it can't attack, or hasn't been under that player's control continuously since the turn began (and doesn't have haste), then it doesn't attack
However, this feels quite basic, and while no pre-con is going to be massively overpowered out of the box without a few upgrades, it just feels like this deck needs something more to aid its versatility
Next time they open their friends list, they will see your request and can accept it
His -1 cost reduction might help get you there, but definitely needs to combo with other cost-reducers
However, as we take a look at the Ravnica: Clue Edition, we will see that it has some bad choices that hold it back from being a better game