Activate Ghave's first ability by paying {1} and removing a +1/+1 counter from a creature you control, creating two 1/1 Saproling creature tokens.
Activate Adaptive Gemguard by tapping the Saprolings, putting a +1/+1 counter on Adaptive Gemguard.
Activate Phyrexian Altar by sacrificing a Saproling, adding {1}.
Repeat.

Infinite creature LTB

Infinite creature ETB

Infinite colored mana

Infinite creature sacrifice triggers

Infinite death triggers

Infinite creature tokens

Infinite +1/+1 counters on creatures you control

Adaptive Gemguard

Ghave, Guru of Spores

Phyrexian Altar

Parallel Lives

Activate Ghave's first ability by paying {1} and removing a +1/+1 counter from a creature you control, creating two 1/1 Saproling creature tokens.
Activate Adaptive Gemguard by tapping the Saprolings, putting two +1/+1 counters on Adaptive Gemguard.
Activate Utopia Mycon's second ability by sacrificing a Saproling, adding {1}.
Repeat.

Utopia Mycon

Primal Vigor

Activate Ghave's first ability by paying {1} and removing a +1/+1 counter from a creature you control, creating two 1/1 Saproling creature tokens.
Activate Adaptive Gemguard by tapping the Saprolings, putting a +1/+1 counter on Adaptive Gemguard.
Activate Thermopod's second ability by sacrificing a Saproling, adding {R}.
Repeat.

Thermopod

Combos with "Adaptive Gemguard"