When you activate this card: You can target 1 Effect Monster your opponent controls; banish 1 "Myutant" monster from your GY, and if you do, negate its effect until the end of this turn (even if this card leaves the field). When your Level 8 or higher "Myutant" monster destroys an opponent's monster by battle: You can draw 1 card. You can only use this effect of "Myutant Clash" once per turn. You can only activate 1 "Myutant Clash" per turn.