Tainted Observer 
| Deck name | Creator | Source |
|---|---|---|
| Pauper CMDR - | Raikzy | Archidekt |
| poisonous proliferate | crimtaku | Moxfield |
| Stink Eye | RDuke | Archidekt |
| Tainted Observer Poison&Proliferate | PigeonBurd | Moxfield |
| Tainted observer | TheReformed1517 | Moxfield |
| Observe My Taint | nethageraba | Moxfield |
| Poliferate Disaster | SirAndyTheFirst | Moxfield |
| PDH Tainted | NDYo | Moxfield |
| (2024) Tainted Observer - Combo | Dukeslayer | Moxfield |
| PDH Tainted Observer | AlteredEgo97 | Archidekt |
| poison MK III | Tabby | Moxfield |
| Toxic Observer | Luke9744 | Moxfield |
| [PDH] Tainted Observer - +1/+1 Counter Army | doebotic | Moxfield |
| Pauper Tainted Observer | Didouck | Archidekt |
| poison aggro | barre | Moxfield |
| Tainted Observer - PDH | pcccp | Moxfield |
| .:[cPDH]:. Ŧainted Øbserver | booyakadude | Moxfield |
| tainted ob | andrade | Moxfield |
| PEDH Simic Infect | Hcblaze | Moxfield |
| The Taint Saint | ukigumo | Moxfield |