slifer the sky dragon pokemon card gold (Platinum Secret Rare) - RA03-EN244 - Platinum Secret Rare up Attack Position SLIFER THE SKY DRAGON |

That being said, the two cards are at a similar power level and are often found in the same deck

(It cant be blocked except by creatures with horsemanship

They were just too inefficient compared to Necropotence

This is likely irrelevant information, I can't imagine the mild difference in spell quality stopping you from ever picking this

I think this is one of only two cards intially was misprinted, but as the rules changed the misprinted version turned out to be correct (the other would be Daring Apprentice from Mirage, that when printed accidentally missed the now unnecessary "Play this ability as an interrupt.")