Cast Flourishing Fox from your graveyard by paying {W}.
Activate Phyrexian Altar by sacrificing Flourishing Fox, adding {W}.
Flourishing Fox is not exiled by Abandoned Sarcophagus due to Humility removing Flourishing Fox's cycling ability.
Repeat.

Infinite death triggers

Infinite creature ETB

Infinite creature LTB

Infinite creature sacrifice triggers

Infinite storm count

Abandoned Sarcophagus

Phyrexian Altar

Flourishing Fox

Humility

Cast Flourishing Fox from your hand or graveyard by paying {W}.
Activate Phyrexian Altar by sacrificing Flourishing Fox, adding {W}.
If Flourishing Fox was cast from your graveyard, Flourishing Fox is not exiled by Abandoned Sarcophagus due to Overwhelming Splendor removing Flourishing Fox's cycling ability.
Repeat.

Overwhelming Splendor

Cast Flourishing Fox from your graveyard by paying {W}.
Activate Phyrexian Altar by sacrificing Flourishing Fox, adding {W}.
Flourishing Fox is not exiled by Abandoned Sarcophagus due to Dress Down removing Flourishing Fox's cycling ability.
Repeat.

Dress Down

Cast Flourishing Fox either from your hand or from your graveyard by paying {W}, causing it to enter the battlefield as a copy of the creature with Infinite Reflection attached.
Activate Phyrexian Altar by sacrificing Flourishing Fox, adding {W}.
If you cast Flourishing Fox from your graveyard, Flourishing Fox is not exiled by Abandoned Sarcophagus due to Infinite Reflection removing Flourishing Fox's cycling ability.
Repeat.

Infinite Reflection

Cast Flourishing Fox either from your hand or from your graveyard by paying {W}, causing it to enter the battlefield as a copy of Verdant Eidolon due to Infinite Reflection.
Activate Flourishing Fox by paying {G} and sacrificing it, adding {G}{G}{G} or {W}{W}{W}.
If you cast Flourishing Fox from your graveyard, Flourishing Fox is not exiled by Abandoned Sarcophagus due to Infinite Reflection removing Flourishing Fox's cycling ability.
Repeat.

Infinite colored mana

Verdant Eidolon

Cast Flourishing Fox either from your hand or from your graveyard by paying {W}, causing it to enter the battlefield as a copy of Treva's Attendant due to Infinite Reflection.
Activate Flourishing Fox by paying {1} and sacrificing it, adding {G}{W}{U}.
If you cast Flourishing Fox from your graveyard, Flourishing Fox is not exiled by Abandoned Sarcophagus due to Infinite Reflection removing Flourishing Fox's cycling ability.
Repeat.

Infinite blue mana

Infinite green mana

Treva's Attendant

Cast Flourishing Fox either from your hand or from your graveyard by paying {W}, causing it to enter the battlefield as a copy of Dromar's Attendant due to Infinite Reflection.
Activate Flourishing Fox by paying {1} and sacrificing it, adding {W}{U}{B}.
If you cast Flourishing Fox from your graveyard, Flourishing Fox is not exiled by Abandoned Sarcophagus due to Infinite Reflection removing Flourishing Fox's cycling ability.
Repeat.

Infinite black mana

Dromar's Attendant

Cast Flourishing Fox either from your hand or from your graveyard by paying {W}, causing it to enter the battlefield as a copy of Rith's Attendant due to Infinite Reflection.
Activate Flourishing Fox by paying {1} and sacrificing it, adding {R}{G}{W}.
If you cast Flourishing Fox from your graveyard, Flourishing Fox is not exiled by Abandoned Sarcophagus due to Infinite Reflection removing Flourishing Fox's cycling ability.
Repeat.

Combos with "Flourishing Fox"