Arcana Force XV - The Fiend [MZMI-EN015] Super Rare

Set:	Maze of Millennia
Card type:	Effect Monster
Rarity:	Super Rare
Attack:	2500
Defense:	2500

You can discard this card; add 1 "Light Barrier" from your Deck or GY to your hand. If this card is Summoned: Toss a coin and this card gains the appropriate effect. Heads: When an attack is declared involving this card: You can target 1 monster on the field; destroy it, and if you do, inflict 500 damage to its controller. Tails: When an attack is declared involving this card: Destroy all monsters on the field.