Five-Color Death's Shadow
A Modern deck, by Matsugan
1st place at a tournament in Magic Online on 2015-02-14

Maindeck:

Artifacts
4 Mishra's Bauble

Creatures
4 Death's Shadow
3 Monastery Swiftspear
4 Steppe Lynx
4 Street Wraith
4 Wild Nacatl

Instants
4 Become Immense
4 Lightning Bolt
4 Mutagenic Growth
4 Temur Battle Rage

Sorceries
4 Gitaxian Probe (Banned in Modern)

Lands
2 Arid Mesa
1 Blood Crypt
2 Bloodstained Mire
4 Marsh Flats
1 Overgrown Tomb
1 Sacred Foundry
1 Temple Garden
1 Verdant Catacombs
4 Wooded Foothills

Sideboard:
4 Hooting Mandrills
3 Phyrexian Unlife
4 Nature's Claim
4 Thoughtseize