Volrath, the Shapestealer + Devoted Druid + Battlefield Scrounger + Mesmeric Orb

Volrath, the Shapestealer

Devoted Druid

Battlefield Scrounger

Mesmeric Orb

How it works

1. Activate Volrath by paying 1, causing it to become a copy of Devoted Druid until your next turn.
2. Activate Volrath by tapping it, adding .
3. Activate Volrath by putting a -1/-1 counter on it, untapping it.
4. Mesmeric Orb triggers, causing you to mill a card.
5. Repeat from step 2 two additional times.
6. Activate Volrath by paying 1, causing it to become a copy of Battlefield Scrounger until your next turn.
7. Activate Volrath by putting three cards from your graveyard on the bottom of your library, causing it to get +3/+3 until end of turn.
8. Repeat.