Mono Blue Mahamoti Djinn

So my other Mahamoti Djinn deck (Legacy/Mono Blue Mahamoti) kind of has become too weak. Besides when we play casual, we actually play with vintage card base. So upgrade to the rescue. Again the deck is based around a playset of Mahamoti Djinn. Now what good is a casual blue vintage deck without the Tinker + Darksteel Colossus combo? I know about Blightsteel Colossus, but that card is not casual enough. Add a Mystical Tutor and some mana stones, and we get:

qty	artifact
2	Isochron Scepter
1	Phyrexian Metamorph
3	Basalt Monolith
1	Darksteel Colossus
2	Voltaic Key
1	Sol Ring
1	Mana Vault
qty	creature
4	Mahamoti Djinn
2	Snapcaster Mage
1	Clone
qty	enchantment
1	Control Magic
qty	instant
4	Counterspell
3	Impulse
1	Arcane Denial
1	Boomerang
1	Mystical Tutor
1	Trickbind
qty	land
17	Island
2	Soldevi Excavations
qty	planeswalker
2	Karn Liberated
2	Jace, the Mind Sculptor
2	Tezzeret the Seeker
qty	sorcery
4	Ponder
1	Tinker

I haven't played it yet. So I'm not totally sure about the deck. But I think it's close.