Requires

Safana, Calimport Cutthroat must be on the battlefield. Clock of Omens must be on the battlefield. Strionic Resonator must be on the battlefield. Krark-Clan Ironworks must be on the battlefield. You have the initiative. You have completed a dungeon. Mana needed:

Steps

1. At the beginning of your end step, Safana triggers.
2. Holding priority, activate Strionic Resonator by paying and tapping it, copying Safana's ability.
3. Resolve the copy of Safana's ability, creating three Treasure tokens.
4. Activate Clock of Omens by tapping two Treasure tokens, untapping Strionic Resonator.
5. Activate Krark-Clan Ironworks by sacrificing a Treasure token, adding .
6. Repeat from step 2.

Results