Its a good mana fixer, so you can invest heavily in colorless ramp and use your commander to fix colored mana
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
For those who collect not just for fun but also as an investment, Dachsbun EX offers long-term potential while still being affordable enough for newer collectors
Sylvan Advocate seemed like a winner due to its efficiency, especially after ramping, and I liked World Breaker as a top end
These tournaments, the Japanese Pokmon Card Game Official Tournament in 1997 and the Lizardon (Charizard) Mega Battle tournament in 1998 were Japan-only events