Japan usually gets the newest mechanics and designs first, meaning Japanese collectors always have a head start
Its also cool that unlike Champion(s) of the Parish/Perished, the Colossus doesnt mind if you draw it later on in the game after casting your other Zombies
Also, you know that your cards are real and that might end up mattering at some point
As for strength and health, this card gives you a Pokmon with 100 HP and grants you 40 attack damage plus 10 damage points for each extra Water card that exceeds the attack cost
You can loot away whatever cards you want to exile with the other abilities later, I guess
After Melding to put Urza, Planeswalker on the board, using its +2 ability once will let you loop Ghostly Flicker endlessly