Drafna, Founder of Lat-Nam, Thornbite Staff, Su-Chi Cave Guard, and Ashnod's Altar

Prerequisites

• Drafna, Founder of Lat-Nam on the battlefield
• Thornbite Staff on the battlefield
• Su-Chi Cave Guard in hand
• Ashnod's Altar on the battlefield
• Thornbite Staff attached to Drafna
• Drafna does not have summoning sickness
• available

Steps

1. Cast Su-Chi Cave Guard by paying
2. Holding priority, activate Drafna's second ability by paying and tapping it, copying the Su-Chi Cave Guard spell
3. Resolve the copy of the Su-Chi Cave Guard spell
4. Activate Ashnod's Altar by sacrificing the Su-Chi Cave Guard token, adding
5. When the token Su-Chi Cave Guard dies, it and Drafna trigger
6. Resolve the Su-Chi Cave Guard trigger, adding eight
7. Resolve the Drafna trigger, untapping it
8. Repeat from step 2

Results

• Infinite colorless mana
• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite sacrifice triggers