Miracle Raven Level 1 DARK Fiend Ritual Pendulum Effect Monster ATK/ 300 DEF/ 300 Pendulum Effect: Once per turn, during your Main Phase: You can Ritual Summon this card, by Tributing monsters from your hand or field whose total Levels equal or exceed 1
Lets take, for example, a control deck with no creatures
The Guarantee strikes some as empty (after all, it is PSA that determines if PSAs old grade is accurate!), but presumably, this Guarantee would insure the owner against the possibility of slabbing a fake or altered card, as recently happened at SGC
Rex: With (Player) at my side, you guys are as scary as baby birds
Its Quick Effect is also quite efficient to remove from the board, or the graveyard, monsters that will threaten you in any way
Tasigur, the Golden Fang is an experimental card, without going too far over the edge