Once transformed, it becomes Polukranos, Engine of Ruin, which is a 6/6 with reach and lifelink and reads: Whenever Polukranos, Engine of Ruin or another nontoken Hydra you control dies, create a 3/3 green and white Phyrexian Hydra creature token with reach and a 3/3 green and white Phyrexian Hydra creature token with lifelink. Even without any other hydra creatures, the fact this card will split into two is amazing - but with some clever deckbuilding, it could make your deck unkillable
This is that thing that Joven and Chandler stole from Eron the Relentless
This is especially common in GUx towns, as their in-color options are a bit worse
Graveyard Hate Is Devastating Cards like: - Rest in Peace - Leyline of the Void - Bojuka Bog can severely cripple your game plan
Progenitus was the original unachievable commander that still holds steady in its value, both in and out of foil
If you do, untap all creatures you control and after this phase, there is an additional combat phase