MTGO Modern - Czech Pile

Someone sponsored a build around based on converting Legacy Czech pile into a modern deck. This is of course, one of my own passion projects, so I was happy to throw together this abomination and take it out. How bad is my mana, how poor are my plays, how great is Modern! 3 Wrenn and Six 2 Snapcaster Mage 2 Kolaghan's Command 4 Abundant Growth 1 Pulse of Murasa 2 Polluted Delta 4 Misty Rainforest 2 Snow-Covered Island 1 Unholy Heat 1 Snow-Covered Swamp 1 Snow-Covered Mountain 1 Breeding Pool 1 Ketria Triome 1 Stomping Ground 2 Seal of Fire 4 Mishra's Bauble 1 Steam Vents 1 Snow-Covered Forest 2 Scalding Tarn 2 Cling to Dust 2 Fatal Push 1 Zagoth Triome 3 Tarmogoyf 3 Drown in the Loch 2 Archmage's Charm 1 Seal of Removal 3 Field of Ruin 1 Fact or Fiction 2 Assassin's Trophy 1 Watery Grave 1 Blood Crypt 1 Overgrown Tomb 1 Kroxa, Titan of Death's Hunger 2 Damnation 2 Flusterstorm 1 Lurrus of the Dream-Den 2 Ceremonious Rejection 4 Aether Gust 4 Ragavan, Nimble Pilfer