Gratuitous Violence

Enchantment

Produces: nothing.

Cares about: a creature dealing combat damage, a creature dealing noncombat damage.

Partners

1,438 cards can cause a creature dealing noncombat damage.

1. Markov Enforcer — When a creature deals noncombat damage thanks to Markov Enforcer, Gratuitous Violence doubles the damage
2. Golden Guardian // Gold-Forge Garrison — When Golden Guardian // Gold-Forge Garrison deals noncombat damage, Gratuitous Violence doubles the damage
3. Guild Feud — When a creature deals noncombat damage thanks to Guild Feud, Gratuitous Violence doubles the damage
4. Clive, Ifrit's Dominant // Ifrit, Warden of Inferno — When Clive, Ifrit's Dominant // Ifrit, Warden of Inferno deals noncombat damage, Gratuitous Violence doubles the damage
5. Tunnel of Love — When a creature deals noncombat damage thanks to Tunnel of Love, Gratuitous Violence doubles the damage
6. Surly Badgersaur — When a creature deals noncombat damage thanks to Surly Badgersaur, Gratuitous Violence doubles the damage
7. Brash Taunter — When Brash Taunter deals noncombat damage, Gratuitous Violence doubles the damage
8. Magus of the Arena — When a creature deals noncombat damage thanks to Magus of the Arena, Gratuitous Violence doubles the damage

12 other cards cause it too, equally specific. The ones shown are the best connected.