 Koroneko's Boomsday Malygos Druid | standard | Malygos Druid | 13,560 | Koroneko | August 7, 2018 |
| Crane's Boomsday Token Druid ft. Mulchmuncher | standard | Token Druid | 8,100 | Crane333 | August 7, 2018 |
 Doubling Zoolock | standard | Midrange | 7,240 | Tigerkwan | August 7, 2018 |
 Wild Infinite Bombs Warrior [Boomsday] | wild | Combo | 12,920 | Smilodex | August 7, 2018 |
| STRANGE | standard | – | 6,480 | zzach | August 7, 2018 |
 OTK Storm | standard | Combo | 4,520 | Esok | August 7, 2018 |
 Dog's Boomsday Malygos Rogue ft. Necrium Blade | standard | Combo | 7,720 | Dog | August 7, 2018 |
| ECJohn's Juicy Malygos Combo Druid | standard | – | 12,720 | ECJohn | August 7, 2018 |
 Budget Aggro Mage (BDP) | standard | Aggro | 2,940 | SteelHawk | August 7, 2018 |
| Tom60229's Boomsday Tempo Mage ft. Stargazer Luna | standard | Tempo | 6,120 | Tom60229 | August 7, 2018 |
| Big and Juicy gachiBASS | standard | – | 13,080 | ECJohn | August 7, 2018 |
| Mecha'thun drawing Priest | standard | Combo | 5,440 | JHoward | August 7, 2018 |
| Updated: Sjow's Boomsday Control Mech Warrior ft. Weapons Project | standard | Control | 14,200 | Sjow | August 7, 2018 |
 Kripp's Odd Mech Paladin ft. Giggling Inventor | standard | Odd Paladin | 8,160 | Kripp | August 7, 2018 |
| pogo hopper | standard | – | 5,800 | zCheshyre | August 7, 2018 |
| Legend Keleseth Mech Destruction | standard | Midrange | 10,480 | Nashl1ve | August 7, 2018 |
| Green Power | wild | Midrange | 15,400 | redmustard | August 7, 2018 |
| Mech Hemmet Warlock OTK | wild | – | 7,800 | GoS Spirit | August 7, 2018 |
 J4CKIECHAN's Boomsday Overload Star Aligner Shaman | standard | Combo | 6,760 | J4CKIECHAN | August 7, 2018 |
| mech egg spitefull | standard | – | 12,440 | Butters | August 7, 2018 |
| Midrange Mech Paladin | standard | Midrange | 6,140 | bbower828 | August 7, 2018 |
| Updated: Theo's Boomsday Odd Warrior ft. Dr. Boom, Mad Genius | standard | Control | 10,240 | Theo | August 7, 2018 |
| Noblord's Boomsday Togwaggle Druid ft. Juicy Psychmelon | standard | Togwaggle Druid | 10,500 | Noblord | August 7, 2018 |
| Boomsday Taunt | standard | – | 10,160 | FeinerDude | August 7, 2018 |
| Mech Control Warrior | standard | – | 9,480 | ikbenpepijn2 | August 7, 2018 |