Agatha's Soul Cauldron + Immaculate Magistrate + Devoted Druid

Prerequisites

• You control at least two Elves.
• Immaculate Magistrate does not have summoning sickness.

Steps

1. 1Activate Immaculate Magistrate by tapping it, putting a +1/+1 counter on it for each Elf you control.
2. 2Activate Immaculate Magistrate using Devoted Druid's second ability by putting a -1/-1 counter on it, untapping it.
3. 3Repeat.
4. 4Once you have infinite +1/+1 counters on Immaculate Magistrate, you may instead target any other creature, or use Devoted Druid's first ability.
5. 5If you give other creatures +1/+1 counters, you may also untap them infinitely using Devoted Druid's second ability.

Effects

• Infinite +1/+1 counters on creatures you control
• Infinite colored mana
• Infinite mana creatures you control can produce
• Infinite untap of creatures you control