Infect
A Modern deck, by John Johnson
5th place at a tournament in Roanoke, Virginia, United States on 2019-06-09

Maindeck:

Artifact Creatures
1 Ichorclaw Myr

Creatures
4 Blighted Agent
4 Glistener Elf
4 Noble Hierarch

Enchantments
2 Rancor

Instants
1 Apostle's Blessing
3 Become Immense
3 Blossoming Defense
2 Groundswell
4 Might of Old Krosa
4 Mutagenic Growth
2 Spell Pierce
4 Vines of Vastwood

Sorceries
2 Distortion Strike

Basic Lands
2 Forest

Lands
2 Breeding Pool
4 Inkmoth Nexus
1 Misty Rainforest
1 Temple Garden
4 Windswept Heath
4 Wooded Foothills

Legendary Lands
2 Pendelhaven (Not currently legal in Modern)

Sideboard:
1 Spellskite
1 Viridian Corrupter
1 Wild Defiance
2 Dismember
2 Dispel
1 Dissenter's Deliverance
2 Nature's Claim
2 Ravenous Trap
1 Nissa, Voice of Zendikar
2 Teferi, Time Raveler