The Chain Veil, Ashnod's Altar, Ral Zarek, and Garruk, Cursed Huntsman

Prerequisites

• The Chain Veil on the battlefield
• Ashnod's Altar on the battlefield
• Ral Zarek on the battlefield
• Garruk, Cursed Huntsman on the battlefield

Steps

1. Activate Garruk's first loyalty ability by putting a loyalty counter on it, creating two 2/2 Wolf creature tokens
2. Activate Ashnod's Altar twice by sacrificing the Wolves, adding
3. When the Wolves die, they trigger, putting two loyalty counters on each Garruk planeswalker you control
4. Activate The Chain Veil by paying and tapping it, allowing an extra activation of your planeswalkers' loyalty abilities this turn
5. Activate Ral Zarek's first loyalty ability by putting a loyalty counter on it, untapping The Chain Veil
6. Repeat

Results

• Infinite activations of loyalty abilities of all other Planeswalkers you control
• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite sacrifice triggers