Since it only takes three spells to get Kiln Fiend up to 10 power (and even more, if we include some pump spells), it is fairly easy to one-shot an opponent early in the game
For example, Elsa Snow Queen was printed back in set 1, The First Chapter
Instead, you'll have to pay one mana into the Robber and discard a card
Its a single Selesnya commander that can buff your creatures, create tokens, and even sacrifice itself to protect your tokens with hexproof and indestructible
Varoom's steel body rumbles with the power of a revving engine, fueled by the poison it consumes
I spend about 50 on hearthstone 3 times a year and have literally every card I want or need