Pyromancer's Goggles + Expansion // Explosion

Prerequisites

• You have an additional instant or sorcery card in hand with mana value 4 or less.

Steps

1. 1Cast any instant or sorcery with mana value 4 or less by paying its mana cost.
2. 2Holding priority, activate Pyromancer's Goggles by tapping it, adding .
3. 3Cast Expansion by paying its mana cost, targeting the instant or sorcery cast in step 1.
4. 4Pyromancer's Goggles triggers, copying Expansion, with the copy targeting the original Expansion.
5. 5Resolve the copy of Expansion, creating a copy of Expansion targeting the original Expansion.
6. 6Repeat step 5.

Effects

• Infinite magecraft triggers