Change of Plans is a rare Instant card from New Capenna Commander Promos (PNCC), collector number 24p. Current market price: — (foil $61.44), TCGplayer market prices via Scryfall.
Each of X target creatures you control connive. You may have any number of them phase out. (To have a creature connive, draw a card, then discard a card. If you discarded a nonland card, put a +1/+1 counter on that creature. Treat phased-out permanents and anything attached to them as though they don't exist until their controller's next turn.)