the value of X won't change
You can always reject a price though
Maybe you can make a shaman deck with expensive creatures, though kinships not the most reliable mechanic
Why its a contender: Crucially, it allows players to stop game-winning threats even when they have no available mana, fundamentally changing how high-power formats are played
Even though I dont play enough Modern to have a great feel for where this lands in the format, it's pretty clear this frog has the power level we've come to associate with cards that have Modern Horizons set symbols on them
This can +2 to draw a card and scry two which is nice card flow, and then -3 to exile the top card of your library and then make a number of 1/1 flyers equal to the mana value, which is also very strong in Type Four with its elevated casting costs and low land count