Requires

Drafna, Founder of Lat-Nam must be on the battlefield. Thornbite Staff must be on the battlefield. Su-Chi Cave Guard must be in hand. Krark-Clan Ironworks must be on the battlefield. Thornbite Staff attached to Drafna. Drafna does not have summoning sickness. Mana needed:

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 Krark-Clan Ironworks 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