Activate Pheres-Band Tromper by tapping it, adding {U}.
Activate Freed from the Real by paying {U}, untapping Pheres-Band Tromper.
Pheres-Band Tromper triggers, putting a +1/+1 counter on it.
Repeat.

Infinite +1/+1 counters on a creature

Pheres-Band Tromper

Freed from the Real

Cryptolith Rite

Activate Pheres-Band Tromper by tapping it, adding {1}.
Activate Pheres-Band Tromper by paying {1} and putting a -1/-1 counter on it, untapping it.
Pheres-Band Tromper triggers, putting two +1/+1 counters on it.
Repeat.

Sinking Feeling

Paradise Mantle

High Score

Activate Pheres-Band Tromper by tapping it, adding three mana of any color.
Activate Pheres-Band Tromper by paying {1} and putting a -1/-1 counter on it, untapping it.
Pheres-Band Tromper triggers, putting a +1/+1 counter on it.
Repeat.

Infinite colored mana

Nyxbloom Ancient

Karametra's Favor

Activate Pheres-Band Tromper by tapping it, adding two mana of any color.
Activate Pheres-Band Tromper by paying {1} and putting a -1/-1 counter on it, untapping it.
Pheres-Band Tromper triggers, putting a +1/+1 counter on it.
Repeat.

Mana Reflection

Activate Earthcraft by tapping Pheres-Band Tromper, untapping a basic land.
Activate the land by tapping it, adding {2}.
Activate Pheres-Band Tromper by paying {1} and putting a -1/-1 counter on it, untapping it.
Pheres-Band Tromper triggers, putting a +1/+1 counter on it.
Repeat.

Infinite mana basic lands you control can produce

Infinite untap of basic lands you control

Earthcraft

Activate Earthcraft by tapping Pheres-Band Tromper, untapping a basic land.
Activate the land by tapping it, adding {3}.
Activate Pheres-Band Tromper by paying {1} and putting a -1/-1 counter on it, untapping it.
Pheres-Band Tromper triggers, putting a +1/+1 counter on it.
Repeat.

Activate Clock of Omens by tapping it and Pheres-Band Tromper, targeting Pheres-Band Tromper.
Ertha Jo triggers, copying Clock of Omens' ability, targeting Clock of Omens.
Resolve both Clock of Omens  abilities, untapping it and Pheres-Band Tromper.
Pheres-Band Tromper triggers, putting a +1/+1 counter on it.
Repeat.

Combos with "Pheres-Band Tromper"