Stalwart Successor, Furystoke Giant, and Yahenni, Undying Partisan

Prerequisites

• Stalwart Successor on the battlefield
• Furystoke Giant on the battlefield
• Yahenni, Undying Partisan on the battlefield

Steps

1. Activate Yahenni by sacrificing Furystoke Giant When Furystoke Giant dies, its persist ability triggers, returning it from your graveyard to the battlefield with a -1/-1 counter on it
2. When Furystoke Giant enters, Stalwart Successor triggers, putting a +1/+1 counter on Furystoke Giant Resolve the Yahenni ability
3. Repeat

Results

• Infinite ETB
• Infinite LTB
• Infinite death triggers
• Infinite sacrifice triggers