Arcana Force EX - The Dark Ruler

(C) This card cannot be Normal Summoned or Set. (U) This card cannot be Special Summoned except by sending 3 monsters you control to the GY. (1) When this card is Special Summoned, toss a coin: ● Heads: This card can attack twice during the same Battle Phase. If this card battles twice using this effect, it is changed to Defense Position at the end of the Battle Phase. This card's battle position cannot be changed until the end of your next turn, except with a card effect. ● Tails: If this card is destroyed, destroy all cards on the field.

• The (C) Condition cannot be negated.
• The (U) Unclassified Effect applies in the hand (this Special Summon does not start a Chain).
• Sending 3 monsters you control to the GY is a cost. You cannot send Monster Tokens or a face-up Battle Fader (Special Summoned by its effect) to the GY.
• You can't Special Summon this card from the GY / banished, even if properly Summoned.
• You can't Special Summon this card from the hand / Deck by another effect.
• The (1) Trigger Effect is mandatory, it activates & resolves on the field.
• When this effect resolves, this card gains the corresponding Effect. The corresponding effect can be negated by Skill Drain, but this card will not forget which effect is gained while face-up.
• The (HEADS) Continuous Effect applies while this card is face-up on the field.
• If your Arcana Force EX - The Dark Ruler is equipped with Twin Swords of Flashing Light - Tryce while its heads effect is applied, you will choose which effect to use when you attack twice. If you choose Arcana Force EX - The Dark Ruler's heads effect, it will be changed to Defense Position at the end of the Battle Phase.
• The (TAILS) Continuous Effect does not start a Chain.
• If Arcana Force EX - The Dark Ruler is destroyed by battle, all other cards on the field are destroyed when Arcana Force EX - The Dark Ruler is sent to the GY.