Urza, Prince of Kroog + Simulacrum Synthesizer + Ashnod's Altar

Prerequisites

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Steps

1. 1Activate Urza by paying , creating a copy of Simulacrum Synthesizer that is a 1/1 Construct.
2. 2When the Simulacrum Synthesizer token enters the battlefield, its first ability and each other SImulacrum Synthesizer you control's second abilities trigger.
3. 3Resolve the first trigger, causing you to scry 2.
4. 4Resolve the remaining triggers, creating a 0/0 Construct artifact creature token for each trigger resolved this way.
5. 5Activate Ashnod's Altar by sacrificing a 0/0 Construct, adding .
6. 6Repeat step 5 for each other 0/0 Construct you control, if applicable.
7. 7Repeat from step 1.

Effects

• Infinite colorless mana
• Infinite creature copies of artifacts you control
• Infinite creature tokens
• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite sacrifice triggers
• Infinite scry