Tainted Observer 
| Deck name | Creator | Source |
|---|---|---|
| pEDH Tainted Observer poison/proliferate | aloBR | Archidekt |
| Section 8 | alavalley27 | Moxfield |
| Grafter Proliferation | Mattfu | Moxfield |
| Tainted Observer || Simic Jank Combo | Hell_Majesty | Moxfield |
| Tainted Observer | zacksquach | Archidekt |
| Simic Slip Slop Pauper EDH | Sepatop | Archidekt |
| SlimeTime PDH | donglemysongle | Moxfield |
| Tainted Observer PDH | BankaiGenius | Moxfield |
| Tainted Pauper | CQCForce | Moxfield |
| PDH Simic Toxic Proliferate 2.0 | dexmistify | Moxfield |
| Proliferating Toxin | NeoZ13 | Moxfield |
| Tainted Observer | EvoFanatic | Archidekt |
| Tainted Observer's Chemical Warfare | Scarecrow1779 | Moxfield |
| Proferate | shadowranger000 | Archidekt |
| pEDH (x1) - Simic Toxic / Proliferate | dexmistify | Moxfield |
| pauper simic proliferate | Mr_Disney_Fan2022 | Moxfield |
| Toxic with a side of Thallid. *Seasoned with stun* | Ragallagator | Moxfield |
| INFECTION | Allenjones542 | Archidekt |
| Toxic with a side of Thallid | Ragallagator | Moxfield |
| Tainted Pauper | schnitzelman | Archidekt |