Jeskai Ascendancy, and Retraction Helix

Prerequisites

• Jeskai Ascendancy on the battlefield
• Retraction Helix in hand
• available

Steps

1. Cast Retraction Helix by paying , targeting a creature you control without summoning sickness
2. Jeskai Ascendacy's first and second abilities trigger
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. If the permanent that costs can tap to add mana, activate it by tapping it, adding at least one mana
6. Activate the creature by tapping it, returning the free permanent to your hand
7. Cast that permanent by paying
8. Repeat from step 2

Results

• Infinite looting
• Infinite mana creatures you control can produce
• Infinite mana the permanent cast infinite times can produce
• Infinite storm count
• Infinite untap of creatures you control
• Infinitely large creatures you control until end of turn