| Rarity: | R |
| #: | 161 |
| Creature Type or Sub Type: | Sorcery |
| Rules Text Contains: | Chain Reaction deals X damage to each creature, where X is the number of creatures on the battlefield. |
| Flavor: | "We train for the improbable, like lightning striking the same place twice, or striking everywhere at once."
—Nundari, Sea Gate militia captain |
| Set: | Commander 2021 |
| Number: | 161 |
