As a tribe, Hydras are concerned with one game plan only - produce a ton of mana, then pump it into a Hydra's X casting cost to make the creature as big as possible
At Pax East, a ton of new cards and gimmicks were shown off, from rainbow Chocobos to an absurdly powerful Sephiroth
In two or three years, I wouldnt be shocked if the Gods start climbing ferociously in value, especially if Magic keeps growing
(It loses all other colors, card types, and creature types.) Enchantment - Aura Mesmerizing Dose Enchant creature When this Aura enters, tap enchanted creature, then proliferate
In a slow enough format it might prove very good, but it costs five mana, which is kind of bad
I think Ill be going with the more versatile choice of Goblin Cratermaker