Twincast + Reverberate

Prerequisites

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Steps

1. 1Cast any instant or sorcery spell, or wait for an opponent to cast one.
2. 2Holding priority, cast Reverberate by paying , targeting that spell.
3. 3Cast Twincast by paying , copying Reverberate, with the copy targeting Reverberate.
4. 4Resolve the copy of Reverberate, copying the original Reverberate, with the copy targeting the original Reverberate.
5. 5Repeat step 4.

Effects

• Infinite magecraft triggers