Thrumming Stone + Memory Lapse + Bonus Round

Prerequisites

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Steps

1. 1Cast Bonus Round by paying .
2. 2Thrumming Stone triggers, revealing the top four cards of your library and putting them on the bottom of your library.
3. 3Resolve Bonus Round, copying all instants and sorceries cast after it this turn.
4. 4Cast any other spell, or wait for an opponent to cast one.
5. 5Cast Memory Lapse by paying , targeting that spell.
6. 6Bonus Round and Thrumming Stone trigger.
7. 7Resolve the Bonus Round trigger, creating a copy of Memory Lapse, targeting the original Memory Lapse.
8. 8Resolve the copy of Memory Lapse, countering the original Memory Lapse and putting it on top of your library.
9. 9Resolve the Thrumming Stone trigger from step 6, revealing the top four cards of your library and casting Memory Lapse without paying its mana cost.
10. 10Repeat from step 6.

Effects

• Infinite magecraft triggers
• Infinite storm count