Nevinyrral's Disk + Darksteel Forge + Mycosynth Lattice + Unwinding Clock
All permanents on the battlefield
- Mycosynth Lattice makes eveything an atrifact, Darksteel Forge makes all of your artifacts indestructible
- Nevinyrrall's Disk destroyes all artifacts except yours because yours are indestructable
- Unwinding Clock allows this to happen every untap step
Destory all opponent's permanents every turn.