Grixis Affinity

4 Deadly Dispute 
3 Terrarion 
4 Voltage Surge
4 Mind Stone 
1 Relic of Progenitus 
4 Wizard's Rockets 
2 Black Mage's Rod 
4 Cryogen Relic 
1 A-Mightstone's Animation
4 Vault of Whispers
4 Thoughtcast
2 Blood Fountain 
4 Seat of the Synod 
4 Silverbluff Bridge 
4 Mistvault Bridge 
3 Drossforge Bridge 
4 Gearseeker Serpent
4 Myr Enforcer

Sideboard
2 Relic of Progenitus 
1 Tithing Blade
2 Extract a Confession 
1 Disruption Protocol 
2 Grim Bauble 
3 Dispel 
2 Unexpected Fangs
2 Cast into the Fire