They are also numbered like secret rares, meaning that their set number is beyond the maximum number of cards in the set
However, we are taking each card at face value and assessing how impactful we expect it to be based on mana cost, abilities, and power/toughness
To determine the total cost of a spell, start with the mana cost or alternative cost you're paying, add any cost increases, then apply any cost reductions (such as that of Thryx)
Once youve achieved that, its smooth sailing as every land drop replaces itself while making your creatures better
Pact of Negation is the first to show up on our list, but it is far from the last and the fact that the lowest-ranked free counter is just outside the top 10 only drives my point home further