Ghired, Mirror of the Wilds, Atla Palani, Nest Tender, Umbral Collar Zealot, and Dynaheir, Invoker Adept

Prerequisites

• Ghired, Mirror of the Wilds on the battlefield
• Atla Palani, Nest Tender on the battlefield
• Umbral Collar Zealot on the battlefield
• Dynaheir, Invoker Adept on the battlefield
• available

Steps

1. Activate Atla by paying and tapping it, creating an 0/1 Egg creature token with defender
2. Activate Ghired by tapping a nontoken creature you control, creating a copy of the Egg token
3. Activate Umbral Collar Zealot by sacrificing an Egg token
4. When the Egg dies, Atla triggers, causing you to reveal cards from the top of your library until you reveal a creature card and put it onto the battlefield
5. Resolve the Umbral Collar Zealot ability
6. Repeat from step 2

Results

• Near-infinite ETB
• Near-infinite LTB
• Near-infinite death triggers
• Near-infinite sacrifice triggers
• Near-infinite surveil
• Put all creature cards from your library onto the battlefield tapped