Inverter of Truth + Thassa's Oracle + Titans' Nest

Mana needed: {2}{U}{U}{B}{B} (at most)

BGU identity

Commander legal

The 3 combo pieces

• Inverter of Truth
• Thassa's Oracle
• Titans' Nest

How to execute it

1. Activate Titan's Nest by exiling a card from your graveyard, adding {C} that can only be spent to cast a colored spell that does not have {X} in its mana cost.
2. Repeat step 1 until you have an empty library.
3. Cast Inverter of Truth by paying {2}{B}{B}.
4. When Inverter of Truth enters the battlefield, it triggers, exiling your library.
5. Cast Thassa's Oracle by paying {U}{U}.
6. When Thassa's Oracle enters the battlefield, it triggers, causing you to win the game.

What the combo produces

• Exile your library and graveyard
• Win the game