Silvanus's Invoker + Karoo + Agatha of the Vile Cauldron

Prerequisites

• Agatha of the Vile Cauldron has at least 7 power.

Steps

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

Effects

• Infinite colorless 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
• Infinite white mana