Hardened Scales
A Pioneer deck, by Zan Syed
8th place at a tournament in Columbus, Ohio, United States on 2020-01-05

Maindeck:

Artifact Creatures
4 Hangarback Walker
3 Stonecoil Serpent
4 Walking Ballista (Banned in Pioneer)

Creatures
3 Elvish Mystic
3 Llanowar Elves
4 Voracious Hydra
4 Winding Constrictor

Enchantments
4 Hardened Scales

Legendary Creatures
1 Rishkar, Peema Renegade

Legendary Planeswalkers
4 Nissa, Voice of Zendikar
4 Vivien, Arkbow Ranger

Basic Lands
8 Forest

Lands
4 Blooming Marsh
2 Hashep Oasis
4 Llanowar Wastes
4 Overgrown Tomb

Sideboard:
1 Scavenging Ooze
1 Tireless Tracker
1 Abrupt Decay
2 Assassin's Trophy
4 Fatal Push
1 Golgari Charm
1 Questing Beast
4 Thoughtseize