| Set | Date | Rarity | Treatment |
|---|---|---|---|
| CMR #244 | 2020-11-20 | Uncommon | Standard |
| CMR #244 | 2020-11-20 | Uncommon | Standard |
| AER #116 | 2017-01-20 | Uncommon | Standard |
| AER #116 | 2017-01-20 | Uncommon | Standard |
Monstrous Onslaught deals X damage divided as you choose among any number of target creatures, where X is the greatest power among creatures you control as you cast this spell.