Tainted Observer 
| Deck name | Creator | Source |
|---|---|---|
| Tainted Observer | alastar886 | Moxfield |
| Tainted Observer Combo | Jazvoytko | Moxfield |
| PDH Tainted Observer | Caech | Moxfield |
| Pauper Infect | MilkBread | Moxfield |
| Toxic Pauper Commander | CassHL | Moxfield |
| tainted observer infect | mudkipjpeg | Moxfield |
| phyrexia counters | ChaosMurloc | Archidekt |
| Toxic Fungus - Tainted Observer PEDH | ArborealLimb | Moxfield |
| Tainted Observer pEDH | Godaii | Moxfield |
| Strumming my taint with his fingers | Seanigami | Moxfield |
| Toxic Bird / Taint(ed) Observer | stefungi | Moxfield |
| PDH Tainted Observer Proliferation | Tristan2016 | Archidekt |
| Grundle Watcher | Removes_Bones | Moxfield |
| Tainted Bird Death | OneMoreGameMTG | Moxfield |
| Tainted Observer PDH | AODonnell95 | Moxfield |