Activate Immaculate Magistrate by tapping it, putting at least five +1/+1 counters on Sage of Hours.
Activate Sage of Hours' ability by removing all +1/+1 counters from it, causing you to take at least one extra turn after this one.
Repeat each turn.

Infinite turns

Lock

Immaculate Magistrate

Sage of Hours

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

Infinite green mana

Infinite mana creatures you control can produce

Infinite untap of creatures you control

Infinite +1/+1 counters on creatures you control

Agatha's Soul Cauldron

Devoted Druid

Activate Immaculate Magistrate by tapping it, putting a +1/+1 counter on it for each Elf you control.
Activate Immaculate Magistrate using Cinderhaze Wretch's second ability by putting a -1/-1 counter on it, untapping it.
Repeat.
Once you have infinite +1/+1 counters on Immaculate Magistrate, you may instead target any other creature, and you may also untap them infinitely using Cinderhaze Wretch's second ability.

Cinderhaze Wretch

Activate Immaculate Magistrate by tapping it, putting a +1/+1 counter on it for each Elf you control.
Activate Immaculate Magistrate using Barrenton Medic's second ability by putting a -1/-1 counter on it, untapping it.
Repeat.
Once you have infinite +1/+1 counters on Immaculate Magistrate, you may instead target any other creature, and you may also untap them infinitely using Barrenton Medic's second ability.
You may also repeat this loop whenever damage would be dealt to you or a permanent you control, and then use Barrenton Medic's first ability to prevent the damage.

Combos with "Immaculate Magistrate"