Cast Greenwarden of Murasa for its evoke cost by paying {0} due to Animar.
Animar triggers, putting a +1/+1 counter on it.
When Greenwarden of Murasa enters, its first ability and evoke abilities trigger.
Resolve the first trigger, optionally returning a card from your graveyard to your hand.
Resolve the second trigger, sacrificing Greenwarden of Murasa.
When Greenwarden of Murasa dies, Ashling triggers, creating a token copy of Greenwarden of Murasa with haste.
When the Greenwarden of Murasa token enters, it triggers, returning Greenwarden of Murasa from your graveyard to your hand.
Repeat.

Infinite +1/+1 counters on a creature

Infinite ETB

Infinite LTB

Infinite creature tokens with haste

Infinite death triggers

Infinite sacrifice triggers

Infinite storm count

Return all cards from your graveyard to your hand

Ashling, the Limitless

Animar, Soul of Elements

Greenwarden of Murasa

Cast Greenwarden of Murasa for its evoke cost by paying {4}.
When Greenwarden of Murasa enters, its first ability and evoke abilities trigger.
Resolve the first trigger, optionally returning a card from your graveyard to your hand.
Holding priority, activate Ashnod's Altar by sacrificing Greenwarden of Murasa, adding {C}{C}.
When Greenwarden of Murasa dies, Ashling triggers, creating a token copy of Greenwarden of Murasa with haste.
When the Greenwarden of Murasa token enters, it triggers, returning Greenwarden of Murasa from your graveyard to your hand.
Resolve the remaining Greenwarden of Murasa ability from step 2, doing nothing.
Activate Ashnod's Altar by sacrificing the Greenwarden of Murasa token, adding {C}{C}.
Repeat.

Ashnod's Altar

Cast Greenwarden of Murasa for its evoke cost by paying {4}.
When Greenwarden of Murasa enters, its first ability and evoke abilities trigger, as well as Mana Echoes.
Resolve the Mana Echoes trigger, adding {C} for each creature you control that shares a creature type with Greenwarden of Murasa.
Resolve the Greenwarden of Murasa trigger, optionally returning a card from your graveyard to your hand.
Resolve the evoke trigger, sacrificing Greenwarden of Murasa.
When Greenwarden of Murasa dies, Ashling triggers, creating a token copy of Greenwarden of Murasa with haste.
When the Greenwarden of Murasa token enters, it and Mana Echoes trigger.
Resolve the Greenwarden of Murasa token's trigger, returning Greenwarden of Murasa from your graveyard to your hand.
Resolve the Mana Echoes trigger, adding {C} for each creature you control that shares a creature type with the Greenwarden of Murasa token.
Repeat.

Infinite colorless mana

Mana Echoes

Cast Greenwarden of Murasa for its evoke cost by paying {4}.
When Greenwarden of Murasa enters, its first ability and evoke abilities trigger.
Resolve the first trigger, optionally returning a card from your graveyard to your hand.
Resolve the second trigger, sacrificing Greenwarden of Murasa.
When Greenwarden of Murasa dies, Ashling triggers, creating a token copy of Greenwarden of Murasa with haste.
When the Greenwarden of Murasa token enters, it triggers, returning Greenwarden of Murasa from your graveyard to your hand.
Activate Food Chain by exiling the Greenwarden of Murasa, adding {B}{B}{B}{B}{B} that can only be spent to cast creature spells.
Repeat.

Infinite colored mana that can only be spent to cast creature spells

Food Chain

Cast Burnt Offering by paying {B} and sacrificing Greenwarden of Murasa.
When Greenwarden of Murasa dies, Ashling triggers, creating a token copy of Greenwarden of Murasa with haste.
When the Greenwarden of Murasa token enters, it triggers, returning Greenwarden of Murasa from your graveyard to your hand.
Resolve Burnt Offering, adding {B} and then five in any combination of {B} and/or {R}.
Cast Greenwarden of Murasa for its evoke cost by paying {4}.
When Greenwarden of Murasa enters, its first ability and evoke abilities trigger.
Resolve the first trigger, returning Burnt Offering from your graveyard to your hand.
Holding priority, repeat steps 1 through 4 once.
Resolve the evoke trigger from step 6, doing nothing.
Repeat from step 5.

Infinite black mana

Infinite magecraft triggers

Infinite red mana

Burnt Offering

Cast Sacrifice by paying {B} and sacrificing Greenwarden of Murasa.
When Greenwarden of Murasa dies, Ashling triggers, creating a token copy of Greenwarden of Murasa with haste.
When the Greenwarden of Murasa token enters, it triggers, returning Greenwarden of Murasa from your graveyard to your hand.
Resolve Sacrifice, adding six {B}.
Cast Greenwarden of Murasa for its evoke cost by paying {4}.
When Greenwarden of Murasa enters, its first ability and evoke abilities trigger.
Resolve the first trigger, returning Sacrifice from your graveyard to your hand.
Holding priority, repeat steps 1 through 4 once.
Resolve the evoke trigger from step 6, doing nothing.
Repeat from step 5.

Sacrifice

Cast Greenwarden of Murasa for its evoke cost by paying {2} due to Urza's Incubator.
When Greenwarden of Murasa enters, its first ability and evoke abilities trigger.
Resolve the first trigger, returning Catalyst Elemental from your graveyard to your hand.
Resolve the second trigger, sacrificing Greenwarden of Murasa.
When Greenwarden of Murasa dies, Ashling triggers, creating a token copy of Greenwarden of Murasa with haste.
When the Greenwarden of Murasa token enters, it triggers, returning Greenwarden of Murasa from your graveyard to your hand.
Cast Catalyst Elemental by paying {R} due to Urza's Incubator.
Activate Catalyst Elemental by sacrificing it, adding {R}{R}.
When Catalyst Elemental dies, Ashling triggers, creating a token copy of Catalyst Elemental with haste.
Activate the Catalyst Elemental token by sacrificing it, adding {R}{R}.
Repeat.

Catalyst Elemental

Urza's Incubator

Activate Catalyst Elemental by sacrificing it, adding {R}{R}.
When Catalyst Elemental dies, Ashling and Enduring Renewal trigger.
Resolve the Ashling trigger, creating a token copy of Catalyst Elemental with haste.
Resolve the Enduring Renewal trigger, returning Catalyst Elemental from your graveyard to the battlefield.
Activate the Catalyst Elemental token by sacrificing it, adding {R}{R}.
Cast Catalyst Elemental by paying {2}{R}.
Repeat.

Combos with "Ashling, the Limitless"