Sun Titan + Journey to Nowhere + sacrifice outlet for Journey to Nowhere = infinite sacrifices and ETBs
How it works:
- Have Sun Titan and a sacrifice outlet for Journey to Nowhere on the battlefield
- Cast Journey to Nowhere, exiling Sun Titan with its ETB ability
- Sacrifice Journey to Nowhere, returning Sun Titan to the battlefield
- Return Journey to Nowhere to the battlefield using Sun Titan's ETB ability
- Repeat