Any player, including a battle's controller, can attack the battle as long as the protector of that battle is a defending player
From time to time, these cards show up when recipients, unaware of their worth, sell them, having never been interested in Magic: The Gathering
Well, that deck has access to things like Fierce Guardianship, Flusterstorm, Forbid, Force of Negation, and Force of Will
The triggered ability hits in all the right places and what really does it for me is sending cards into exile because all colors have means to use the graveyard somehow and this hurts those options
Its hard for the card to see 1v1 play, though, as its a slow 5-mana card, and if youre building around something, it should cost 1-2 at most
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