Magister of Worth, Illusion of Choice, and Yahenni, Undying Partisan

Prerequisites

• Magister of Worth in hand
• Illusion of Choice in hand
• Yahenni, Undying Partisan on the battlefield
• available

Steps

1. Cast Illusion of Choice by paying , causing you to choose how players vote this turn and drawing a card
2. Cast Magister of Worth by paying
3. When Magister of Worth enters, it triggers
4. Holding priority, activate Yahenni by sacrificing Magister of Worth and any number of other creatures
5. Resolve the Magister of Worth trigger, having each player vote for grace, returning all creatures from graveyards to the battlefield
6. Resolve all abilities from step 4, giving Yahenni indestructible until end of turn
7. Repeat from 3

Results

• Infinite LTB
• Infinite ETB
• Infinite recursion of creature cards in your graveyard