Its cheap at 2 mana, it pings all opponents, and it works with all creatures, besides being slightly harder to interact with than creatures with the same ability
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Pushing your deck above 60 (or 40) cards makes it harder to find key cards, increases the risk of "mana flood" (drawing only lands, so you have nothing to cast) and "mana screw" (drawing too few lands, so you can't cast any of the spells in your hand), and makes it more likely that you'll draw unplayable hands
Also, it only costs , so not a huge cost up front
Second, WotC is printing more and better graveyard answers each set
Sometimes you will find 3D clay models of Pokemon, while other times you will find 90s-style 3D renders