Reverberate + Dual Strike

Reverberate

Dual Strike

How it works

1. Cast any other instant and/or sorcery spell, or wait for an opponent to cast one.
2. Holding priority, cast Dual Strike by paying , copying the next instant or sorcery spell you cast with mana value four or less.
3. Cast Reverberate by paying , targeting the instant or sorcery spell cast in step 1.
4. Dual Strike triggers, copying Reverberate, with the copy targeting the original Reverberate.
5. Resolve the copy of Reverberate, copying Reverberate, with the copy targeting the original Reverberate.
6. Repeat step 5.