I think Tezzeret will become more powerful as the game goes on, since his available supports are going to grow, and a free support is a great ability, especially when blue starts getting more cards that allow him to sort his deck (only Talent of the Telepath currently)
So, Amy helps to re-equip Sunforger after you unattach it
Three mana is expensive for this sort of effect, but if youve got something like Pearl Medallion to shave off mana, it becomes much more appealing
I think if you are playing this with Jim Hawkins - Space Traveler, it is pretty good
If you decide to run this card, youll have to build around it as a finisher as its powerful Amazez attack is a single stroke that can seal the games outcome
Match-3 or more in a row to collect enough power to cast deadly spells and creatures