Evolution Witness, Agonasaur Rex, Kheru Goldkeeper, Bone Miser, and Ashnod's Altar

Prerequisites

• Evolution Witness on the battlefield
• Agonasaur Rex in hand
• Kheru Goldkeeper on the battlefield
• Bone Miser on the battlefield
• Ashnod's Altar on the battlefield
• available

Steps

1. Activate Agonasaur Rex's cycling ability by paying and discarding it
2. Agonasaur Rex and Bone Miser trigger
3. Resolve the Bone Miser trigger, creating a 2/2 Zombie creature token
4. Resolve the Agonasaur Rex trigger, putting two +1/+1 counters on Evolution Witness
5. Evolution Witness triggers, returning Agonasaur Rex from your graveyard to your hand
6. Kheru Goldkeeper triggers, creating a Treasure token
7. Resolve the Agonasaur Rex ability from step 1, causing you to draw a card
8. Activate the Treasure by tapping and sacrificing it, adding
9. Activate Ashnod's Altar by sacrificing the Zombie token, adding
10. Repeat

Results

• Infinite card draw
• Infinite draw triggers
• Infinite self-discard triggers
• Near-infinite +1/+1 counters on a creature
• Near-infinite ETB
• Near-infinite LTB
• Near-infinite death triggers
• Near-infinite sacrifice triggers