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 (20): General (1): Spells (34): Sideboard (Omitted/Cut card ideas):
1 Astral Cornucopia 1 Atalya, Samite Master 1 Akroma's Memorial 1 Proper Burial
1 Burnished Hart   1 Book of Rass 1 Wall of Reverence
1 Caged Sun Creatures (10): 1 Chalice of Life 1 Order of the Sacred Torch
1 Coalition Relic 1 Archangel of Thune 1 Diviner's Wand 1 Marshal's Anthem
1 Coldsteel Heart 1 Emeria Shepherd 1 Illusionist's Bracers 1 Mobilization
1 Commander's Sphere 1 Felidar Sovereign 1 Goblin Cannon 1 Hangarback Walker
1 Doubling Cube 1 Jazal Goldmane 1 Lightning Greaves 1 Endless One
1 Extraplanar Lens 1 Mikaeus, the Lunarch 1 Phyrexian Processor 1 Mastery of the Unseen
1 Gauntlet of Power 1 Mirror Entity 1 Rings of Brighthearth 1 Land Tax
1 Gilded Lotus 1 Rhox Faithmender 1 Rocket Launcher 1 Orochi Hatchery
1 Marble Diamond 1 Serra Avatar 1 Snake Basket 1 Sigil of Distinction
1 Paradise Plume 1 Soul of Theros 1 Staff of Domination 1 Lightkeeper of Emeria
1 Solemn Simulacrum 1 Vengeful Archon 1 Swiftfoot Boots 1 Heliod, God of the Sun
1 Sword of the Animist   1 Sword of Feast and Famine 1 Crovax, Ascendant Hero
1 Thran Dynamo   1 Sword of Vengeance 1 Gerrard's Battle Cry
1 Unstable Obelisk   1 Well of Lost Dreams 1 Leonin Sun Standard
1 Worn Powerstone   1 Ajani Goldmane 1 Darksteel Ingot
1 Endless Horizons   1 Ajani, Caller of the Pride  
1 Knight of the White Orchid   1 Angelic Chorus  
1 Kor Cartographer   1 Armistice  
    1 Beacon of Immortality  
Lands (35):   1 Cathars' Crusade  
1 Myriad Landscape   1 Celestial Mantle  
1 Thawing Glaciers   1 Cradle of Vitality  
1 Windbrisk Heights   1 Decree of Justice  
31 Plains   1 Entreat the Angels  
1 Sol Ring   1 Path of Bravery  
    1 Quarantine Field  
    1 Sacred Mesa  
    1 Secure the Wastes  
    1 Storm Herd  
    1 Sunbond  
    1 True Conviction  
    1 White Sun's Zenith