Scarecrone + Thornbite Staff + Cathodion + Krark-Clan Ironworks

Prerequisites

• Thornbite Staff attached to Scarecrone.
• Scarecrone does not have summoning sickness.

Steps

1. 1Activate Krark-Clan Ironworks by sacrificing Cathodion, adding .
2. 2Cathodion dies, triggering itself and Scarecrone.
3. 3Resolve the Cathodion trigger, adding .
4. 4Resolve the Scarecrone trigger, untapping it.
5. 5Activate Scarecrone's second ability by paying and tapping it, returning Cathodion from your graveyard to the battlefield.
6. 6Repeat.

Effects

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