What is the overall look and feel of the card, does it have good "curb appeal" Here is a loose formula you can follow for pre-grading
I really liked Shining Revelry at first
For one thing, your deck is very likely to be better at rapidly loading your graveyard than your opponent is
Now the only way an opponent could evade infect damage would be to always have a chunk blocker ready, exile Plague Myr, or enchant it with a Pacifism-type aura to prevent it from attacking and blocking
The Grand Master Rare cards can be identified by a rainbow coating applied over the Attribute, Level/Rank, and text box border, a hieroglyph pattern on the card edge, and a serial number from 001 to 100 engraved in place of the card ID
Black Fang Magician X DARK Level 4 [ Spellcaster / PendulumEffect ] ATK 1700 DEF 800 P Scale 8 Once per turn: You can target 1 face-up monster your opponent controls