Activate Ballynock Trapper by tapping it, tapping a creature an opponent controls.
Solitary Sactuary triggers, putting a +1/+1 counter on Crystalline Crawler.
Activate Crystalline Crawler's first ability by removing a +1/+1 counter from it, adding {U}.
Activate Pemmin's Aura's first ability by paying {U}, untapping Ballynock Trapper.
Repeat.
You may also repeat this loop during each turn.

Tap all creatures opponents control during each turn

Solitary Sanctuary

Crystalline Crawler

Ballynock Trapper

Pemmin's Aura

Activate Ballynock Trapper by tapping it, tapping a creature an opponent controls.
Solitary Sactuary triggers, putting a +1/+1 counter on Crystalline Crawler.
Activate Crystalline Crawler's first ability by removing a +1/+1 counter from it, adding {U}.
Activate Freed from the Real's second ability by paying {U}, untapping Ballynock Trapper.
Repeat.
You may also repeat this loop during each turn.

Combos with "Ballynock Trapper"