An Aura put onto the battlefield this way doesn't target the player or permanent it will enchant, so permanents or players with hexproof may be chosen
I can see Laughing Mad being desirable with the right setup, given that some cards care about the amount of mana spent on a spell, but I dont think that will happen too often
(More on that later.) Thirdly, there's a number of trading restrictions which you must abide by, such as only trading cards of the same rarity (one Diamond cards can only be traded for other one Diamond cards etc)
Its really just further exploring that same false equivalence: that all creatures, or all permanents, are equally valuable
Shining Mew Pokmon | Unnumbered Releases: Unnumbered Promos Variants Cosmos Holo Prices Others Artist Hironobu Yoshida Rarity Promo National Number 151 Would you like to learn more about this card
This art speaks for itself, as this quintessential depiction of Snorlax gives us everything we could want from this sleepy Pokemon