1 Ambush Viper
1 Archetype of Finality
1 Basilisk Collar
1 Birthing Pod
1 Brainstorm
1 Broodbirth Viper
1 Coalition Relic
1 Coiling Oracle
1 Cryptic Command
1 Demonic Tutor
1 Doubling Season
1 Eldritch Evolution
1 Erebos's Emissary
1 Evolutionary Escalation
1 Green Sun's Zenith
1 Gurmag Drowner
1 Hardened Scales
1 Hooded Hydra
1 Ikra Shidiqi, the Usurper
1 Kaseto, Orochi Archmage
1 Keening Stone
1 Kheru Spellsnatcher
1 Liliana Vess
1 Liliana, the Last Hope
1 Lorescale Coatl
1 Lotus Cobra
1 Mana Crypt
1 Managorger Hydra
1 Mold Adder
1 Mystic Snake
1 Mystical Tutor
1 Nemesis of Mortals
1 Nissa, Voice of Zendikar
1 Noose Constrictor
1 Ohran Viper
1 Ophidian
1 Orochi Eggwatcher // Shidako, Broodmistress
1 Patagia Viper
1 Ponder
1 Preordain
1 Sachi, Daughter of Seshiro
1 Sakura-Tribe Elder
1 Serum Visions
1 Seshiro the Anointed
1 Shisato, Whispering Hunter
1 Shizuko, Caller of Autumn
1 Shriekmaw
1 Sidisi, Undead Vizier
1 Silumgar Spell-Eater
1 Skullwinder
1 Sol Ring
1 Sosuke, Son of Seshiro
1 Sultai Soothsayer
1 Traumatize
1 Traverse the Ulvenwald
1 Umezawa's Jitte
1 Vessel of Nascency
1 Walking Ballista
1 Wasteland Viper
1 Winding Constrictor
1 Winged Coatl
Sideboard:
1 Sidisi, Brood Tyrant