Card Errata:Snake Fang

Original	First erratum	Second erratum
Decrease 1 selected monster's DEF by 500 points during the turn this card is activated.	Decrease 1 face-up monster's DEF by 500 points until the end of this turn.	Decrease 1 selected monster's DEF by 500 points during the turn this card is activated.
MRL-050 Magic Ruler	SRL-EN050 Spell Ruler	SRL-050 Spell Ruler