Chromatic Lantern and Coalition Relic are the two of the best mana rocks for a 4-color deck
It also has plenty of removal spells in Casualties of War, Putrefy, and Tear Asunder, if a particularly pesky Voltron player is threatening to block one of your many, many little critters
The English print run was even smaller, as it wasnt the target market
Summon: Primal Odin I don't know if this card will be as good as I imagine it can be, but you have to take a serious look at any creature than can kill your opponent in one attack
On the other hand, you get to play this at the end of your opponent's turn (so you might as well get the card immediately), and you can get literally any card in your deck on the spot
Most experienced investors hold a mix of both