Agatha of the Vile Cauldron + Earthcraft + Devoted Druid + Cinderhaze Wretch

Agatha of the Vile Cauldron

Earthcraft

Devoted Druid

Cinderhaze Wretch

How it works

1. Activate Devoted Druid's first ability by tapping it, adding .
2. Activate a basic Mountain by tapping it, adding .
3. Activate Earthcraft by tapping Cinderhaze Wretch, untapping the Mountain.
4. Activate Agatha of the Vile Cauldron by paying at most , giving all other creatures you control +1/+1, trample and haste until end of turn.
5. Activate Devoted Druid and Cinderhaze Wretch's second abilities by putting a -1/-1 counter on them, untapping them.
6. Repeat.