Atalya

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Click here for my EDH Commander decks
 
Tons of mana ramp
Paying life as a cost
Triggers on when gain life
X spells and activated abilities (mana sinks)
 
Mana Acceleration (21): General (1): Spells (33): Sideboard (Omitted/Cut card ideas):
1 Astral Cornucopia 1 Atalya, Samite Master 1 Aetherflux Reservoir 1 Akroma's Memorial
1 Burnished Hart   1 Book of Rass 1 Chalice of Life
1 Caged Sun Creatures (11): 1 Diviner's Wand 1 Sword of Vengeance
1 Coalition Relic 1 Archangel of Thune 1 Illusionist's Bracers 1 Proper Burial
1 Coldsteel Heart 1 Crested Sunmare 1 Goblin Cannon 1 Wall of Reverence
1 Commander's Sphere 1 Emeria Shepherd 1 Lightning Greaves 1 Order of the Sacred Torch
1 Doubling Cube 1 Felidar Sovereign 1 Orochi Hatchery 1 Marshal's Anthem
1 Extraplanar Lens 1 Jazal Goldmane 1 Phyrexian Processor 1 Mobilization
1 Gauntlet of Power 1 Mikaeus, the Lunarch 1 Rings of Brighthearth 1 Hangarback Walker
1 Gilded Lotus 1 Mirror Entity 1 Rocket Launcher 1 Endless One
1 Marble Diamond 1 Rhox Faithmender 1 Snake Basket 1 Mastery of the Unseen
1 Paradise Plume 1 Serra Avatar 1 Staff of Domination 1 Land Tax
1 Solemn Simulacrum 1 Soul of Theros 1 Swiftfoot Boots 1 Sigil of Distinction
1 Sword of the Animist 1 Vengeful Archon 1 Sword of Feast and Famine 1 Lightkeeper of Emeria
1 Thran Dynamo   1 Well of Lost Dreams 1 Heliod, God of the Sun
1 Thunder Totem   1 Ajani Goldmane 1 Crovax, Ascendant Hero
1 Unstable Obelisk   1 Ajani, Caller of the Pride 1 Gerrard's Battle Cry
1 Worn Powerstone   1 Angelic Chorus 1 Leonin Sun Standard
1 Endless Horizons   1 Armistice  
1 Knight of the White Orchid   1 Beacon of Immortality  
1 Kor Cartographer   1 Cathars' Crusade  
    1 Celestial Mantle  
Lands (34):   1 Cradle of Vitality  
1 Myriad Landscape   1 Decree of Justice  
1 Thawing Glaciers   1 Entreat the Angels  
1 Windbrisk Heights   1 Path of Bravery  
30 Plains   1 Quarantine Field  
1 Sol Ring   1 Sacred Mesa  
    1 Secure the Wastes  
    1 Storm Herd  
    1 Sunbond  
    1 True Conviction  
    1 White Sun's Zenith