Purphoros, God of the Forge + Tainted Strike + Avenger of Zendikar

Purphoros, God of the Forge

Tainted Strike

Avenger of Zendikar

How it works

1. Cast Tainted Strike, giving Purphoros +1/+0 and infect until end of turn.
2. Cast Avenger of Zendikar.
3. Avenger of Zendikar enters, triggering itself and Purphoros.
4. Resolve the Avenger of Zendikar trigger, creating a Plant token for each land you control.
5. The tokens enter, triggering Purphoros four times.
6. Resolve All Purphoros triggers giving each opponent ten poison counters.