The thing is, you need a way to be able to get Omniscience into play faster than turn ten
Among others, cards like Bounty of the Luxa[/e], [el]Phyrexian ArenaBounty of the Luxa[/e], [el]Phyrexian Arena and Smothering TitheSmothering Tithe can be modeled (assuming a specific number of players dont pay the Smothering TitheSmothering Tithe tax each turn)
Marvels Wolverine Unnatural Growth This cute version of Unnatural Growth doubles the power and toughness of all your creatures at the beginning of each combat, which makes even the smallest board state a massive threat
An ultimate treasure, one ring to rule them all
The deck is designed to create Saproling tokens, grow creatures with +1/+1 counters, sacrifice creatures for value, drain opponents, and generate powerful combo-style board states
Thats why you can get the basic Skuntank V for about $5 while the basic Lugia V will go for $180 or more