Gilgamesh has the potential to pull tons of equipment out of your deck and into play
Smile at Death Smile at Death is an incredible value engine, and being able to get two creatures and even buff them spells doom for your opponents

Alara Name: Naya Finish: Regular Set Name: Planechase - Planes Related Products Shiv (Oversize) MTG: Oversized Cards: Planechase Light Play, English 1 In Stock Light Play, English 1 In Stock Light Play, English 1 In Stock Moderate Play, English 1 In Stock Undercity Reaches (Oversize) MTG: Oversized Cards: Planechase Moderate Play, English 1 In Stock Moderate Play, English 1 In Stock Moderate Play, English 1 In Stock The Eon Fog (Oversize) MTG: Oversized Cards: Planechase NM-Mint, English 1 In Stock NM-Mint, English 1 In Stock NM-Mint, English 1 In Stock Light Play, English 1 In Stock Sokenzan (Oversize) MTG: Oversized Cards: Planechase Light Play, English 1 In Stock Light Play, English 1 In Stock Light Play, English 1 In Stock Feeding Grounds (Oversize) MTG: Oversized Cards: Planechase Moderate Play, English 2 In Stock Moderate Play, English 2 In Stock Moderate Play, English 2 In Stock Isle of Vesuva (Oversize) MTG: Oversized Cards: Planechase Moderate Play, English 1 In Stock Moderate Play, English 1 In Stock Moderate Play, English 1 In Stock Turri Island (Oversize) MTG: Oversized Cards: Planechase Light Play, English 2 In Stock Light Play, English 2 In Stock Light Play, English 2 In Stock Murasa (Oversize) MTG: Oversized Cards: Planechase Moderate Play, English 1 In Stock Moderate Play, English 1 In Stock Moderate Play, English 1 In Stock

The Ring also tempts you, but it's a mechanic that, in my opinion, does not do much in a multiplayer game
If you know you can't keep ahead of the 1/1s or directly kill Elspeth you are ultimately going to die to a lot of 3/3 and larger fliers
Bloodstained Mire Endurance Flare of Cultivation Flare of Denial Flare of Duplication Flare of Fortitude Flare of Malice Flooded Strand Fury Grief Harbinger of the Seas Polluted Delta Solitude Subtlety Windswept Heath Winter Moon Wooded Foothills The allied fetch lands, Bloodstained Mire, Flooded Strand, Polluted Delta, Windswept Heath, and Wooded Foothills, are all banned due to one simple reason: having perfect land makes games a little too easy