It has made some waves in Legacy as a powerful planeswalker, as all the modes are solid
That creature enters with an additional +1/+1 counter on it
When in Doubt, Go Cheaper Years ago, I was talking with one of the best Magic Online Limited players ever, Charles "Aceman" Dupont
The deck is full of creatures that have abilities that create treasure tokens, junk tokens or empower your creatures when you attack
Because the ability includes a targeting clause, its not a mana ability, so you can respond to it on the stack and sacrifice the Engine to something like an Ashnod's Altar, which then goes infinite with Corpse Dance
Ive also found that bringing it up to around 3 or 4 power tends to make it too hard for people to pay the tax when Im playing my Heliod, Sun-Crowned deck