Ultron, Unlimited + Prowler, Clawed Thief + Ashnod's Altar

Prerequisites

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Steps

1. 1Cast Ultron either from your hand or from the command zone by paying plus commander tax if applicable.
2. 2When Ultron enters, Prowler triggers, causing it to connive.
3. 3Ultron triggers, causing you to pay to create a 2/2 Robot Villain creature token.
4. 4When the Robot Villain enters, Prowler triggers. Holding priority, activate Ashnod's Altar by sacrificing the Robot Villain, adding .
5. 5Resolve the Prowler ability, causing it to connive.
6. 6Repeat from step 3.

Effects

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