As long as it still has the sticker on it, Clandestine Chameleon will have the ability of that sticker anyway
In fact, the last Panharmonicon deck we played was just a couple of months ago in "Scarecrow"amonicon, a Modern deck looking to turn all of our creatures into "Scarecrows" with Arcane Adaptation (this was the bad old days before Maskwood Nexus existed), stick a Panharmonicon and a Reaper King, play a few random creatures, and hopefully blow up all of our opponent's permanents for a flawless victory
9 best Magic: The Gathering cards you can actually put in your deck Decked out
I love hearing about what decks people are thinking about making and testing out next, as well as trading for some cards I might need without breaking the bank
In some cases, the spells own text will be very clear about it, saying something like You may cast this spell for [cost] rather than pay its mana cost. In other cases, alternative costs are sneakier and partially hidden behind a keyword like flashback, evoke, or warp