How can you counter Anti-Magic Arrows? It specifically says that "Cards and effects cannot be activated in response to this card's activation.". Say it's your last turn and you activate union attack for your final combo. Then Arkana counters with AMA and since UA's effect activates at the start of the BattlePhase it would be negated. I know that you can use the Piranha+GotM combo, but is there any other way?