Kalamax, the Stormsire, and Wild Ricochet

Prerequisites

• Kalamax, the Stormsire on the battlefield
• Wild Ricochet in hand
• plus the cost of the additional instant available

Steps

1. Cast any instant by paying its mana cost
2. Holding priority, cast Wild Ricochet by paying its mana cost
3. Kalamax's first and second abilities trigger
4. Resolve the first ability, creating a copy of Wild Ricochet and choosing to copy the original Wild Ricochet
5. Resolve the second ability, putting a +1/+1 counter on Kalamax
6. Resolve the Wild Ricochet copy, creating a copy of Wild Ricochet
7. Kalamax's second ability triggers, putting a +1/+1 counter on itself
8. Repeat from step 6 any number of times

Results

• Infinite +1/+1 counters on a creature
• Infinite magecraft triggers