You are totally right, only the packs bought from the splinterlands website give a chance to get free airdropped cards. However the value of that is linked to the ratio of packs necessary to get a guaranteed card. It was 500 packs for the last one and it could be even more for the following ones.
I also invested in Dr. Blight as well but developed it only to level 3. I really don't want to put 5 more cards into it just for the weaken ability. It seems steep to pay 500 $ for a weaken ability lol.
I can't imagine the ratio will go up again but...maybe. I think they have a set number of cards in mind that get minted of each of these so they do the math and go from there. I think they miscalculated on the first couple which is why they raised the number from 300(350?) to 500 but I would think they have it figured out from here on. That said, you never know.
Yeah, like I said above, $500 is tough to justify for one extra ability. That said, if you're planning to compete at the top levels, odds are your opponent will have it so you'll probably need it. Of course, there's every possibility in the world that the team will be coming out with a "counter" hero at some point. Maybe the last airdropped card for example. Start the sale off with Dr Blight and then finish it with "Professor Eden" (I made that up...the Garden of Eden being the antithesis of blight). Professor Eden could "remove poison" from one monster, be immune to it herself, have the strengthen ability, reflect magic, and do double damage against cards with the poison ability all with the same "camouflage" ability that Blight has.
I have no idea if this is in the plans but...it seems to make sense.
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