Requires

Jeskai Ascendancy must be on the battlefield. Storm-Kiln Artist must be on the battlefield. Elite Arcanist must be on the battlefield. Any instant card with mana value 1 or less exiled by Elite Arcanist. Elite Arcanist does not have summoning sickness. Mana needed:

Steps

1. Activate Elite Arcanist by paying and tapping it, copying the exiled instant card and casting the copy without paying its mana cost.
2. Jeskai Ascendancy's first and second abilities trigger, as well as Storm-Kiln Artist.
3. Resolve the first Jeskai Ascendancy trigger, giving creatures you control +1/+1 until end of turn and untapping them.
4. Resolve the second Jeskai Ascendancy trigger, allowing you to loot.
5. Resolve the Storm-Kiln Artist trigger, creating a Treasure token.
6. Activate the Treasure token by tapping and sacrificing it, adding .
7. Resolve the copy of the instant spell created in step 1.
8. Repeat.

Results