Tuck led to people playing even more tutors so they could go retrieve a tucked commander, and wed like to encourage a lower tutor count
Despite looking like a U/W deck that splashed only the tiniest bit of the other colors, The Deck would reinvent itself after sideboarding, turning into a Blood Moon deck despite having just seven basic lands, itself (and this was obviously long before fetchlands)
The options and lower cost that glimmers in Sapphire bring to the table make it a great complement to the slower moving, yet powerful cards in Ruby making them a tempting choice to pair if youre focusing on gathering Lore with lots of characters
IV Put two +1/+1 counters on each other Moogle you control
There are plenty of combos that use Sensei's Divining Top, a cost reducer, and a way to play it off the top of your library, like Mystic Forge to draw your entire deck and rack up a near-infinite storm count