The Chain Veil, Chandra, Hope's Beacon, Chandra, Torch of Defiance, and Teferi, Timebender

Prerequisites

• The Chain Veil on the battlefield
• Chandra, Hope's Beacon on the battlefield
• Chandra, Torch of Defiance on the battlefield
• Teferi, Timebender on the battlefield

Steps

1. Activate Chandra, Torch of Defiance's second ability by putting a loyalty counter on it, adding
2. Activate Chandra, Hope's Beacon's first ability by putting two loyalty counters on it, adding two mana of any color
3. Activate The Chain Veil by paying and tapping it, allowing you an additional activation of your planeswalkers' loyalty abilities this turn
4. Activate Teferi's first ability by putting two loyalty counters on it, untapping The Chain Veil
5. Repeat
6. Once you have infinite loyalty counters on Teferi, you may also use its third loyalty ability each turn to take infinite turns

Results

• Infinite activations of loyalty abilities of all other Planeswalkers you control
• Infinite damage
• Infinite turns