inappropriate mtg cards Every Mechanically Unique Secret Lair Card That Hasn't Been Reprinted In Mint / near mint condition trading card Magic the Gathering [036] INVASION

They are now a defining part of the Legacy and Vintage formats, in particular for their ability to be found by the various "fetchlands" (for example, Flooded Strand) released many years later

Atarka, World Render

Calico - Green-Eyed Man Almost Indestructible Dr

You won't find that one in a LTR Collector Booster, but there's still other serialized treasures to find: The Elven, Dwarven, and Human rings of power each appeared as serialized foil Sol Ring cards (300 Elven, 700 Dwarven, 900 Human) and, as it's usually the case, extended-art and alternate scene cards are exclusive to LTR Collector Boosters

In a pinch you can use it to dig through your deck to find an answer you need for a board state.

The downside of doing this is that it makes those characters vulnerable to being challenged, but this strategy allows for more flexibility in Ink usage