Prerequisites
- Adaptive Training Post on the battlefield
- Expansion // Explosion in hand
plus enough mana to cast the additional instant or sorcery available
Steps
- Cast the additional instant or sorcery by paying its mana cost
- If Adaptive Training Post had two charge counters on it, it triggers, putting a charge counter on it
- Holding priority, activate Adaptive Training Post by removing three charge counters from it, copying the next instant or sorcery spell you cast this turn
- Cast Expansion by paying its mana cost, targeting the spell cast in step 1
- Adaptive Training Post triggers, copying Expansion, with the copy targeting the original Expansion
- Resolve the copy of Expansion, copying the original Expansion, with the copy targeting the original Expansion
- Repeat step 5
Results
Required Cards 2
Adaptive Training Post
Artifact
Expansion // Explosion
Instant // Instant