Spelljack + Swarm Intelligence

Prerequisites

• You have an additional instant card in hand.

Steps

1. 1Cast any other instant card from your hand by paying its mana cost.
2. 2Swarm Intelligence triggers, choose not to create a copy of the instant.
3. 3Holding priority, cast Spelljack by paying targeting the instant remaining on the stack.
4. 4Swarm Intelligence triggers, creating a copy of Spelljack that is targeting the original Spelljack.
5. 5Resolve the copy of Spelljack, countering the original Spelljack and exiling it with the ability to cast it for free from exile.
6. 6Cast Spelljack from exile without paying its mana cost, targeting the instant cast in step 1.
7. 7Repeat from step 4.

Effects

• Infinite magecraft triggers
• Infinite storm count