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When a card or effect is activated (Quick Effect): You can reveal this card in your hand; Special Summon 1 "Arcana Force" monster from your hand in Defense Position. You can only use this effect of "Arcana Force XII - The Hangman" once per turn. If this card is Summoned: Toss a coin. ● Heads: Destroy 1 monster you control, and if you do, take damage equal to its original ATK. ● Tails: Destroy 1 monster your opponent controls, and if you do, inflict damage to your opponent equal to its original ATK.