Activate Devoted Druid by tapping it, creating a 1/1 Elf Warrior creature token.
The Elf Warrior enters the battlefield, triggering Devoted Druid, giving Devoted Druid +1/+1 until end of turn.
Activate Devoted Druid's second ability by putting a -1/-1 counter on it, untapping it.
Repeat.

Infinite creature tokens

Infinite creature ETB

Devoted Druid

Nurturing Presence

Presence of Gond

Activate Barrenton Medic by tapping it, creating a 1/1 Elf Warrior creature token.
The Elf Warrior enters the battlefield, triggering Barrenton Medic, giving Barrenton Medic +1/+1 until end of turn.
Activate Barrenton Medic's second ability by putting a -1/-1 counter on it, untapping it.
Repeat.

Barrenton Medic

Activate Barrenton Medic by tapping it, creating a token copy of itself with haste.
When the Barrenton Medic token enters the battlefield, the nontoken Barrenton Medic triggers, giving itself +1/+1 until end of turn.
Activate Barrenton Medic by putting a -1/-1 counter on it, untapping it.
Repeat.

Infinite creature tokens with haste

Infinitely powerful creature until end of turn

Splinter Twin

Activate Barrenton Medic by tapping it, creating at least one 1/1 Elemental creature token with haste.
When the Elemental token(s) enter the battlefield, Barrenton Medic triggers that many times, giving it +1/+1 until end of turn for each creature that entered the battlefield.
Activate Barrenton Medic by putting a -1/-1 counter on it, untapping it.
Repeat.
If Barrenton Medic has a power of two or greater, it also becomes infinitely large until end of turn.

Infinitely large creature until end of turn

Elemental Mastery

Activate Devoted Druid by tapping it, creating a token copy of itself with haste.
When the Devoted Druid token enters the battlefield, the nontoken Devoted Druid triggers, giving itself +1/+1 until end of turn.
Activate Devoted Druid by putting a -1/-1 counter on it, untapping it.
Repeat.
Optionally, you may use the mana abilities of the Devoted Druid tokens to add infinite {G}.


Infinite green mana

Activate Cinderhaze Wretch by tapping it, creating a token copy of itself with haste.
When the Cinderhaze Wretch token enters the battlefield, the nontoken Cinderhaze Wretch triggers, giving itself +1/+1 until end of turn.
Activate Cinderhaze Wretch by putting a -1/-1 counter on it, untapping it.
Repeat.

Cinderhaze Wretch

Activate Devoted Druid by tapping it, creating at least one 1/1 Elemental creature token with haste.
When the Elemental token(s) enter the battlefield, Devoted Druid triggers that many times, giving it +1/+1 until end of turn for each creature that entered the battlefield.
Activate Devoted Druid by putting a -1/-1 counter on it, untapping it.
Repeat.
If Devoted Druid has a power of two or greater, Devoted Druid becomes infinitely large until end of turn, which allows you to use its mana ability instead to get infinite {G}.

Activate Cinderhaze Wretch by tapping it, creating at least one 1/1 Elemental creature token with haste.
When the Elemental token(s) enter the battlefield, Cinderhaze Wretch triggers that many times, giving it +1/+1 until end of turn for each creature that entered the battlefield.
Activate Cinderhaze Wretch by putting a -1/-1 counter on it, untapping it.
Repeat.
If Cinderhaze Wretch has a power of two or greater, it also becomes infinitely large until end of turn.

Activate Cinderhaze Wretch by tapping it, creating a 1/1 Elf Warrior creature token.
The Elf Warrior enters the battlefield, triggering Cinderhaze Wretch, giving Cinderhaze Wretch +1/+1 until end of turn.
Activate Cinderhaze Wretch's second ability by putting a -1/-1 counter on it, untapping it.
Repeat.

Combos with "Nurturing Presence"