This flashy blue elemental lets you deal with opposing creatures or planeswalkers before they even hit the board

1 Davros, Dalek Creator 1 Missy 1 Auton Soldier 1 The Flood of Mars 1 Cyber Conversion 1 Hunted by The Family 1 Dalek Drone 1 Vashta Nerada 1 Time Reaper 1 Doomsday Confluence 1 The Toymaker's Trap 1 Vislor Turlough 1 Genesis of the Daleks 1 This Is How It Ends 1 Death in Heaven 1 Delete 1 Ensnared by the Mara 1 Day of the Moon 1 The Master, Multiplied 1 The Master, Mesmerist 1 Rassilon, the War President 1 The Master, Gallifrey's End 1 The Valeyard 1 Weeping Angel 1 The Beast, Deathless Prince 1 The Rani 1 Sycorax Commander 1 The Cyber-Controller 1 Cult of Skaro 1 The Dalek Emperor 1 Ashad, the Lone Cyberman 1 Blink 1 The Master, Formed Anew 1 Cybermen Squadron 1 Cybership 1 Wound Reflection 1 Blasphemous Act 1 Solemn Simulacrum 1 The Sound of Drums 1 River of Tears 1 Foreboding Ruins 1 Shadowblood Ridge 1 Smoldering Marsh 1 Temple of Deceit 1 Choked Estuary 1 Sunken Hollow 1 Darkwater Catacombs 1 Fetid Pools 1 Temple of Malice 1 Canyon Slough 1 Exotic Orchard 1 Temple of Epiphany 1 Frostboil Snarl 1 Stormcarved Coast 1 Fiery Islet 1 Lavaclaw Reaches 1 Shipwreck Marsh 1 Drowned Catacomb 1 Haunted Ridge 1 Dragonskull Summit 1 Creeping Tar Pit 1 Gallifrey Council Chamber 1 Renegade Silent 1 Zygon Infiltrator 1 Don't Blink 1 Exterminate

So, I start every deck at 40 Lands (and these days, frequently, 10 mana ramp spells for a total of 50% mana in my decks)
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