When Purphoros enters the battlefield, your devotion to its color (including the mana symbols in the mana cost of Purphoros itself) will determine if a creature entered the battlefield or not for abilities that trigger whenever a creature enters the battlefield
Create a red and white creature token with those characteristics
Master Duel Alongside Master Packs, the card crafting mechanic is the best way to get specific secret packs , because as soon as you know what cards unlock certain secret packs, you can craft that card, get the relevant key, and have that pack for 24 hours
that targeted monster gains ATK equal to the Level of the monster sent to the GY x 300, until the end of this turn, also you can only attack with 1 monster this turn
However, the problem with Jwari Shapeshifter in Commander is that while the cost is incredible (a mere one generic and one blue mana), the drawback iswell, significant