Black Luster Soldier - Envoy of the Beginning [MAMA-EN047] Ultra Rare

Cannot be Normal Summoned/Set. Must first be Special Summoned (from your hand) by banishing 1 LIGHT and 1 DARK monster from your GY. Once per turn, you can activate 1 of these effects.
• Target 1 monster on the field; banish it. This card cannot attack the turn this effect is activated.
• If this attacking card destroys an opponent's monster by battle: It can make a second attack in a row.