Kalamax, the Stormsire + Insidious Will

Kalamax, the Stormsire

Insidious Will

How it works

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