holographic pikachu pokemon card [SV4a] 055/190〈〉Reverse Holo This card is freshly removed from a pack Pikachu Holo 7/15 Raw Card

The commanders special because it starts in the command zone, a zone unique to the Commander format

One of the earliest instances of MTG crossing over with other IPs is its limited-run Street Fighter set

4 Gengar VMAX (271/264) From SWSH08: Fusion Strike Gengar's Alternate Art Secret Rare card from the Fusion Strike expansion of Sword & Shield looks as though it is the setting of a Halloween adventure.Card number 271/264 features the Gigantamax Gengar eating trees, berries, and more with its gaping maw in a full-art illustration

What about a set that heavily impacted Modern or Legacy

You could choose one and spare most of your creatures while surely removing most, if not all, of the creatures on opposing battlefields