Most people run three or even two of certain legendary cards in their decks for this reason
Product Description Protective Case for Pokemon Half Booster Box Exact Dimensions 71.0mm x 123.0mm x 75.0mm (2.8" x 4.84" x 2.95") Note: We add 2-3mm (1/16"-1/8") clearance for easy insertion
This card has become the ultimate chase card in Stellar Miracle, with prices well over $100 due to Laceys popularity and the rarity of the SAR version
They are like those that make up Bilbos birthday party (found in draft boosters and in prerelease kits) and the Battle of Pelennor Fields
You: uhhhh A land that can become a creature breaks the game every single time, but always in the best way
Finally, there's probably a small group of players who want the cards for unique reasons, like building an Un-set cube (which becomes a lot more realistic with three Un-sets rather than two) or even Un-set collectors, which I'm sure exist in some number, although this last group has to be pretty tiny