(2019-10-04) 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 Into the Story)
Soulfire Grand Master is a cool card with definite potential power, but I see a downward trajectory for the price for at least a few months at this point
Her -2 loyalty ability is a reliable removal spell as long as you have enough Zombies on your side of the battlefield
Tough Cookie is even more flexible with the addition of its middle ability, which is useful for not just its own Food token, but any of the cheap artifacts found in Wilds of Eldraine , such as Prophetic Prism, Soul-Guide Lantern, Candy Trail, and Collector's Vault
More recently, there was also Vexilus PraetorVexilus Praetor to protect your commander or let them alpha strike through, and The Stasis CoffinThe Stasis Coffin to hold your temporary immortality over the whole table
Attack 1:[RR] Burning Darkness (180+) This attack does 30 more damage for each Prize card your opponent has taken