Falco Spara, Pactweaver, Sensei's Divining Top, Ashnod's Altar, and Young Wolf

Prerequisites

• Falco Spara, Pactweaver on the battlefield
• Sensei's Divining Top on the battlefield
• Ashnod's Altar on the battlefield
• Young Wolf on the battlefield
• Young Wolf does not have a +1/+1 counter on it

Steps

1. Activate Sensei's Divining Top's second ability by tapping it, causing you to draw a card and put Sensei's Divining Top on top of your library from the battlefield
2. Activate Ashnod's Altar by sacrificing Young Wolf, adding
3. Young Wolf dies, triggering its undying ability, returning itself from your graveyard to the battlefield with a +1/+1 counter on it
4. Cast Sensei's Divining Top from the top of your library by paying and removing the +1/+1 counter from Young Wolf
5. Repeat

Results

• Infinite card draw
• Infinite draw triggers
• Near-infinite colorless mana
• Near-infinite death triggers
• Near-infinite ETB
• Near-infinite LTB
• Near-infinite sacrifice triggers
• Near-infinite storm count