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First introduced back in Scars of Mirrodin, proliferate was used to multiply not only -1/-1 counters on creatures or loyalty counters on planeswalkers, but also poison counters on players to provide an alternate win condition

The regular version is $3.99, and the full art version is $5.99

The tropes been done to death

With Fractured Identity targeting your own Transcendence, you even cause all your opponents to lose instantly, as long as they have at least 20 life

And with some estimates indicating theres roughly 20,000 different cards in the market, your chances of pulling the exact cards that will be a good investment is difficult at best