Arcana Force Ex - the Light Ruler

This card cannot be Normal Summoned or Set. This card cannot be Special Summoned except by sending 3 monsters you control to the Graveyard. When this card is Special Summoned, toss a coin: ? Heads: When this card destroys an opponent's monster by battle and sends it to the Graveyard, you can add 1 card from your Graveyard to your hand. ? Tails: When an effect of a Spell, Trap or Effect Monster's effect that targets this card is activated, negate its activation and destroy it, and this card loses 1000 ATK.