Isochron Scepter + Reap + Second Chance

Mana needed: {4}{U} each turn

GU identity

Commander legal

The 3 combo pieces

• Isochron Scepter
• Reap
• Second Chance

What must be in place

An opponent controls a black permanent.
Your life total is five or less.

How to execute it

1. At the beginning of your upkeep, Second Chance triggers, causing you to sacrifice it and take an extra turn after this one.
2. Activate Isochron Scepter by paying {2} and tapping it, casting a copy of Reap without paying its mana cost.
3. Resolve Reap, returning Second Chance from your graveyard to your hand.
4. Cast Second Chance by paying {2}{U}.
5. Repeat each turn.

What the combo produces

• Infinite turns
• Lock