Agatha of the Vile Cauldron + Silvanus's Invoker + Simic Growth Chamber

GUR identity

Commander legal

The 3 combo pieces

• Agatha of the Vile Cauldron
• Silvanus's Invoker
• Simic Growth Chamber

What must be in place

Agatha of the Vile Cauldron has at least 7 power.

How to execute it

1. Activate Simic Growth Chamber by tapping it, adding two mana.
2. Activate Silvanus's Invoker by paying {1}, untapping Simic Growth Chamber and causing it to become an 8/8 Elemental with trample and haste in addition to its other types until end of turn.
3. Repeat any number of times.
4. Once you have infinite mana, you may tap and untap any other land(s) you control, and if you control lands that can produce {R} and {G}, use the mana to activate Agatha of the Vile Cauldron's ability.

What the combo produces

• Infinite blue mana
• Infinite green mana
• Infinite mana lands you control can produce
• Infinite power and toughness for most creatures you control until end of turn
• Infinite untap of lands you control