Kitsa, Otterball Elite, and Thoughtweft Gambit

Prerequisites

• Kitsa, Otterball Elite on the battlefield
• Thoughtweft Gambit in hand
• available

Steps

1. Cast Thoughtweft Gambit by paying
2. Kitsa's prowess ability triggers, giving it +1/+1 until end of turn
3. Holding priority, activate any number of creatures by tapping them, adding at least
4. Activate Kitsa's second ability by paying and tapping it, copying Thoughtweft Gambit
5. Resolve the copy of Thoughtweft Gambit, untapping all creatures you control
6. Repeat from step 3

Results

• Infinite untap of creatures you control
• Infinite mana creatures you control can produce
• Infinite magecraft triggers