The following deck was built by Day9. You can find more of his content on his Youtube channel.

Planeswalkers (5)
2
Teferi, Master of Time
3
Ugin, the Spirit Dragon
Creatures (8)
2
Arboreal Grazer
2
Brazen Borrower
4
Uro, Titan of Nature's Wrath
Spells (12)
4
Growth Spiral
4
Mystical Dispute
4
Discontinuity
Artifacts (4)
4
Solemn Simulacrum
Enchantments (3)
3
Shark Typhoon
Lands (28)
1
Blast Zone
4
Breeding Pool
3
Castle Vantress
3
Fabled Passage
8
Forest
5
Island
4
Temple of Mystery
Cards (60)
Sideboard (15)
4
Aether Gust
2
Negate
4
Sporeweb Weaver
4
Nightpack Ambusher
1
Shark Typhoon