Hapatra, Vizier of Poisons - C-C-C-Combo Breaker! (EDH / Commander)

Remember tha you can pay the cost of an abilty even if you can't do the rest. Cinderhaze Wretch , Devoted Druid

COMBOS:

1. Hapatra, Vizier of Poisons + Ivy Lane Denizen + Devoted Druid = inf. tokens + inf. green mana
2. Hapatra, Vizier of Poisons + Devoted Druid + Quillspike = inf. big creature + inf. tokens
3. Hapatra, Vizier of Poisons/Nest of Scarabs + Yawgmoth, Thran Physician + any other creature = -1/-1 on any creature and card draw for 1 life loop
4. Mikaeus, the Unhallowed + Woodfall Primus sac. outlet (Phyrexian Altar/Carrion Feeder/Yawgmoth, Thran Physician) = loop ETB of Woodfall Primus (with undying and persist), destroy non creature permanents and get tokens (mana/big creature/card draws)
5. Hapatra, Vizier of Poisons + Cinderhaze Wretch + Ivy Lane Denizen = players discard their hands + inf. tokens
6. Mikaeus, the Unhallowed + Carnifex Demon/Ammit Eternal/Dusk Urchins = hard to get rid of/card draw
7. Mikaeus, the Unhallowed + Cinderhaze Wretch/Devoted Druid = inf. ETB and LTB and -1/-1 placements
8. Kamahl, Fist of Krosa + Black Sun's Zenith/Carnifex Demon/Soul Snuffers = each green mana you spend is 1 land destruction
9. Mikaeus, the Unhallowed + Triskelion = inf. 1 dmg pings

Necroskitter on field + 4. = get their creatures
Generous Patron + 4. = card draw
Obelisk Spider + 3. = inf. -1 life to every opponent and inbf +1 life to you
Carrion Feeder/Phyrexian Altar + Poison-Tip Archer + 2. / 6. = inf. power creature + inf. -1 life to every opponent
Blowfly Infestation + one -1/-1 to start + Poison-Tip Archer + 2. / 6. = inf. -1 life to every opponent
Dictate of Erebos + 4. / 7. = opponent sac creature

SIDEBOARD COMBOS:
Mikaeus, the Unhallowed + Grim Poppet, kill Grim Poppet somehow = inf. -1/-1 placements