Sunforger + Chance for Glory + Angel's Grace + Soldevi Digger

Sunforger

Chance for Glory

Angel's Grace

Soldevi Digger

How it works

1. Activate Sunforger by paying and unattaching it, searching your library for Chance for Glory and casting it without paying its mana cost.
2. Resolve Chance for Glory, causing you to take an extra turn after this one.
3. Activate Soldevi Digger by paying 2, putting Chance for Glory on the bottom of your library from your graveyard.
4. Move to your next turn.
5. Activate Sunforger's equip ability by paying 3, attaching it to a creature you control.
6. Repeat steps 1 through 3 one additional time.
7. Activate Sunforger's equip ability by paying 3, attaching it to a creature you control.
8. Activate Sunforger by paying and unattaching it, searching your library for Angel's Grace and casting it without paying its mana cost.
9. Resolve Angel's Grace, preventing you from losing the game this turn.
10. Activate Soldevi Digger by paying 2, putting Angel's Grace on the bottom of your library from your graveyard.
11. At the beginning of your end step, Chance for Glory triggers, however you cannot lose the game due to Angel's Grace.
12. Repeat from step 4.