Zirda as Commander

Zirda as Commander (Visual)

All activated abilities. I tried to find abilities that benefit a lot from Zirda's cost reduction.
Since I'm playing Zirda as a commander (not a companion), I don't need to meet Zirda's requirement, but the deck almost does meet it anyway.

Click here for a text version of this decklist
Click here for my EDH Commander decks

General (1):
Zirda, the Dawnwaker

Creatures (29):
Myr Propagator Soul of New Phyrexia Walking Ballista Welder Automaton Sunhome Guildmage Brash Taunter Captivating Crew Cavalier of Flame Hoard-Smelter Dragon Inner-Flame Igniter Kumano, Master Yamabushi Purphoros, God of the Forge Scalding Devil Screeching Phoenix Shivan Hellkite Skarrgan Hellkite Sun-Collared Raptor Volcanic Rambler Warmonger Hellkite Akroan Phalanx Blaring Recruiter Crowd Favorites Drogskol Cavalry Glory Heliod, Sun-Crowned Master Trinketeer Oketra the True Prava of the Steel Legion Vengeful Archon

Spells (21):
Arcane Encyclopedia Carnage Altar Diviner's Wand Heartstone Helm of the Host Illusionist's Bracers Journeyer's Kite Leonin Sun Standard Retrofitter Foundry Staff of Domination Tamiyo's Journal Planeswalker's Fury Rowan Kenrith Dawn of Hope Echoes of the Kin Tree Gerrard's Battle Cry Luminarch Ascension Mastery of the Unseen Mobilization Sacred Mesa Safeguard

Mana Acceleration (13):
Basalt Monolith Bonder's Ornament Burnished Hart Conqueror's Galleon Dreamstone Hedron Grim Monolith Hedron Archive Magnifying Glass Orazca Relic Thaumatic Compass Unstable Obelisk Soulbright Flamekin Legion's Landing

Lands (36):
Bonders' Enclave Crawling Barrens Den of the Bugbear Myriad Landscape Sejiri Shelter Shivan Gorge Spinerock Knoll Terrain Generator Thawing Glaciers Windbrisk Heights Mountain Mountain Mountain Mountain Mountain Mountain Mountain Mountain Mountain Mountain Mountain Mountain Plains Plains Plains Plains Plains Plains Plains Plains Plains Plains Plains Plains Plains Sol Ring