yugioh card chaos emperor dragon - Envoy of The End - TOCH-EN030 - Collector's Rare 2500 This card can only be Special Summoned by removing 1 LIGHT and 1 DARK monster in your Graveyard from play Chaos Emperor Dragon - Envoy

Here is a picture of a Thin Stamp on a non-holo card as example, and some more can be found in @acebren 's collection thread

From around $2 before the spike, Sonic Screwdriver climbed to around $4.50 and has held there

The Blood Artist effect is typically a payoff, but this card acts as an enabler on its ownyou can repeatedly sacrifice creatures and even draw cards in the process

Little surprise that this has become a community favourite, containing multiple high-demand cards

The only missing piece would be some sort of healing mechanic where the -1/-1 counters are removed via another creatures activation or similar ability