The Reaver Cleaver, and Time Sieve

Prerequisites

• The Reaver Cleaver on the battlefield
• Time Sieve on the battlefield
• The Reaver Cleaver attached to a creature with power four or greater that can attack this turn
• An opponent is unable to block the creature with The Reaver Cleaver attached

Steps

1. Deal combat damage to a player with the creature that has The Reaver Cleaver attached
2. The creature triggers, creating at least five Treasure tokens
3. Activate Time Sieve by tapping it and sacrificing five Treasure tokens, causing you to take an extra turn after this one
4. Repeat each turn

Results

• Infinite turns