 Barrens-ready Lifesteal OTK Demon Hunter | standard | Combo | 6,840 | Old Guardian | March 25, 2021 |
 Old Guardian's Barrens Celestial Alignment Druid theorycraft | standard | Ramp | 7,600 | Old Guardian | March 24, 2021 |
| Old Guardian's Barrens Clown Druid theorycraft | standard | Ramp | 10,480 | Old Guardian | March 24, 2021 |
 Old Guardian's Barrens Tickatus Control Warlock theorycraft | standard | Control | 14,100 | Old Guardian | March 24, 2021 |
 Old Guardian's Barrens Face Hunter theorycraft | wild | Aggro | 3,240 | Old Guardian | March 24, 2021 |
 Old Guardian's Barrens Murloc Shaman theorycraft | standard | Aggro | 3,280 | Old Guardian | March 24, 2021 |
| Old Guardian's Barrens Elemental Shaman theorycraft | standard | Midrange | 5,400 | Old Guardian | March 24, 2021 |
 Old Guardian's Barrens Secret Paladin theorycraft | standard | Aggro | 8,040 | Old Guardian | March 24, 2021 |
 Free new/returning player Warrior Barrens | standard | Tempo | 6,960 | Old Guardian | March 12, 2021 |
| Free new/returning player Warlock Barrens | wild | Tempo | 5,280 | Old Guardian | March 12, 2021 |
| Free new/returning player Shaman Barrens | wild | Midrange | 6,160 | Old Guardian | March 12, 2021 |
 Free new/returning player Rogue Barrens | standard | Midrange | 7,060 | Old Guardian | March 12, 2021 |
 Free new/returning player Priest Barrens | standard | Control | 6,000 | Old Guardian | March 12, 2021 |
| Free new/returning player Paladin Barrens | standard | Midrange | 6,180 | Old Guardian | March 12, 2021 |
 Free new/returning player Mage Barrens | wild | Midrange | 7,140 | Old Guardian | March 12, 2021 |
| Free new/returning player Hunter Barrens | standard | Tempo | 6,760 | Old Guardian | March 12, 2021 |
| Free new/returning player Druid Barrens | standard | Ramp | 5,940 | Old Guardian | March 12, 2021 |
| Free new/returning player Demon Hunter Barrens | wild | Tempo | 8,320 | Old Guardian | March 12, 2021 |
| Highlander Paladin | standard | Midrange | 11,780 | Old Guardian | March 10, 2021 |
| Demon Hunter Core set and common aggro theorycraft | wild | Aggro | 2,680 | Old Guardian | March 2, 2021 |
| Warlock Core set and Rares Control theorycraft | wild | Control | 7,080 | Old Guardian | March 2, 2021 |
| Warlock Core set only Control theorycraft | wild | Control | 7,240 | Old Guardian | March 2, 2021 |
| Rogue Core set only theorycraft | wild | Tempo | 4,200 | Old Guardian | March 2, 2021 |
| Paladin Core set only Token theorycraft | wild | Token | 2,560 | Old Guardian | March 2, 2021 |
| Core set only Beast Hunter theorycraft | wild | Tempo | 2,640 | Old Guardian | March 2, 2021 |