If Lightning Greaves is attached to the only creature you control, you won't be able to attach other Equipment to it (or target it with anything else) until you have another creature onto which you can move Lightning Greaves
Building a lean control deck is necessary these days, with all the disruption occurring on Turns 1 and 2
While its true that colorless players can make use of snow-covered wastes in the right constructed deck, theres more than that going on here
In parallel, begin enchanting creatures and strategic targets from the opponents, negotiate interactions and avoid unnecessary conflict while protecting the board
As well as the regular set, MTG Final Fantasy also had a bonus sheet called 'Through the Ages'
Just the first line, "The 'Legend Rule' doesn't apply Slivers you control." is a shock to read