have stats that change depending on the number of creatures you control
Craft with artifact three generic, one white mana (Three generic, one white mana, Exile this artifact, Exile another artifact you control or an artifact card from your graveyard: Return this card transformed under its owners control
Spirit of the Flames and Inferno are both special summoned this way, while Infernal Flame Emperor is a powerhouse that both banishes Fire monsters and destroys opposing spells and traps
But the real payoff comes when that creature connects with a player
This feature is a key part of its design identity, allowing it to transform into various forms such as Heat Rotom, Wash Rotom, and Mow Rotom, each associated with different household appliances like ovens, washing machines, and lawnmowers respectively
Now were getting to the really good stuff