Jeskai Ascendancy, Storm-Kiln Artist, and Elite Arcanist

Prerequisites

• Jeskai Ascendancy on the battlefield
• Storm-Kiln Artist on the battlefield
• Elite Arcanist on the battlefield
• available

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

• Infinite copies of instant cards with mana value 1 or less exiled by Elite Arcanist
• Infinite draw triggers
• Infinite looting
• Infinite power and toughness for creatures you control until end of turn
• Infinite magecraft triggers
• Infinite mana creatures you control can produce
• Infinite self-discard triggers
• Infinite storm count
• Infinite untap of creatures you control