most expensive yugioh card black luster soldier Yu-Gi-Oh! - Dueling Mirrors - 3000 / 2500 Description Here Are The 10 Most

At the beginning of the end step, if there are two or more ki counters on this creature, you may flip it

It opens up a brand-new archetype in Jeskai (red/white/blue colours) and so for that alone it would get its ranking as one of the best new cards, but along with that she also helps draw into more cards and acts as a reanimator in a colour combination where this is less common

The coolest detail about this one, though, might be the limited edition card you have to open it to reveal its identity

[poll id="302"] What expansion set is this card from

At instant speed, Dark Ritual requires one black mana to deliver a surge of three black mana