Agatha of the Vile Cauldron + Silvanus's Invoker + Castle Garenbrig

Prerequisites

• Agatha of the Vile Cauldron has power 7 or greater.

Steps

1. 1Activate Castle Garenbrig's second ability by paying and tapping it, adding six that can only be spent to cast creature spells or to activate abilities of creatures.
2. 2Activate Silvanus's Invoker by paying , untapping Castle Garenbrig 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.
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 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