Getting to drain them every time your creature dies is a staple in black sacrifice/aristocrats decks in many MTG formats, and if you want more of this in your EDH decks, go for it
The most common play pattern will be to just make this a 3/3 and then a 4/4, but giving it first strike is real, too
All the battles in March of the Machine have the Siege subtype and are transforming double-faced cards
Even if you only have one, that would give Agrabah 5 Willpower and +1 Resist, meaning your opponent would need to commit a lot of resources to remove it
Grimgrin acts as both a removal engine and a growing threat, combining sacrifice synergy with commander damage
The Master, Multiplied Boy, do I feel silly for not picking up a copy before this cards price spiked