From Under the Floorboards The slower nature of our deck often allows us to resolve this for at least 4~, gaining us some life and putting pressure on the board, especially if we drop this on their endstep via its Madness trigger, and it was previously run as an alternate wincondition in the deck -- it is still completely viable in the deck, I've just grown to prefer Gisa's Bidding for the easier math and the immediate card draw with a Cryptbreaker on the field
If you're building your first Proliferate deck, Atraxa is an easy choice
The other currently has a market price of just over $40
SR Super Rare Nobledragon Magician X FIRE Level 3 [ SpellcasterPendulumTunerEffect ] ATK 700 DEF 1400 P Scale 5 Unless you have a "Magician" card in your other Pendulum Zone, destroy this card
Related Posts Best MTG Collection Trackers With Card Scanning Comparing the best MTG collection tracker apps with card scanning
Most collectors who break even or profit from sealed product opening are doing it on sets with multiple high-value SIRs (Charizard SV151, Umbreon Prismatic Evolutions) rather than sets with one flagship SIR and bulk filler