Pink Anti Static Zip Top Poly Bags 2 Mil
An SP copy of, say, Blessing is going to have almost no market
Best ETB Creature Payoffs The easiest payoff for creatures with enters abilities are Panharmonicon variants
Special Summon 1 "Blue-Eyes White Dragon" from your hand or GY
That being largely a matter of "these seem interesting, but likely won't see play unless the right deck comes around." There're a few exceptions, which I'll touch on, but to save you, the reader, your sanity by not reading the same line over and over across 20-30 cards, I'm going to talk about them mainly in groups here and now
The Pokmon card Aron 44/100 of Ex Crystal Guardians also exists in Reverse version