Cast Grave Sifter for its evoke cost by paying {0} due to Animar.
Animar triggers, putting a +1/+1 counter on it.
When Grave Sifter 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 Grave Sifter.
When Grave Sifter dies, Ashling triggers, creating a token copy of Grave Sifter with haste.
When the Grave Sifter token enters, it triggers, returning Grave Sifter from your graveyard to your hand.
Repeat.

Each opponent returns all creature cards from their graveyard to their hand

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

Grave Sifter

Animar, Soul of Elements

Cast Grave Sifter for its evoke cost by paying {4}.
When Grave Sifter 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 Grave Sifter, adding {C}{C}.
When Grave Sifter dies, Ashling triggers, creating a token copy of Grave Sifter with haste.
When the Grave Sifter token enters, it triggers, returning Grave Sifter from your graveyard to your hand.
Resolve the remaining Grave Sifter ability from step 2, doing nothing.
Activate Ashnod's Altar by sacrificing the Grave Sifter token, adding {C}{C}.
Repeat.

Ashnod's Altar

Cast Grave Sifter for its evoke cost by paying {4}.
When Grave Sifter 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 Grave Sifter.
Resolve the Grave Sifter trigger, optionally returning a card from your graveyard to your hand.
Resolve the evoke trigger, sacrificing Grave Sifter.
When Grave Sifter dies, Ashling triggers, creating a token copy of Grave Sifter with haste.
When the Grave Sifter token enters, it and Mana Echoes trigger.
Resolve the Grave Sifter token's trigger, returning Grave Sifter 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 Grave Sifter token.
Repeat.

Infinite colorless mana

Mana Echoes

Cast Grave Sifter for its evoke cost by paying {4}.
When Grave Sifter 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 Grave Sifter.
When Grave Sifter dies, Ashling triggers, creating a token copy of Grave Sifter with haste.
When the Grave Sifter token enters, it triggers, returning Grave Sifter from your graveyard to your hand.
Activate Food Chain by exiling the Grave Sifter, 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 Grave Sifter for its evoke cost by paying {2} due to Urza's Incubator.
When Grave Sifter 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 Grave Sifter.
When Grave Sifter dies, Ashling triggers, creating a token copy of Grave Sifter with haste.
When the Grave Sifter token enters, it triggers, returning Grave Sifter 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.

Infinite red mana

Catalyst Elemental

Urza's Incubator

Activate Prismatic Geoscope by tapping it, adding at least {U}{U}{U}.
Activate Mind Over Matter by discarding Grave Sifter.
Hashaton triggers, causing you to pay {2}{U} to create a tapped token copy of Grave Sifter that is a 4/4 Zombie.
When the Grave Sifter token enters the battlefield, it triggers, returning Grave Sifter from your graveyard to your hand.
Resolve the Mind Over Matter ability, untapping Prismatic Geoscope.
Repeat.

Combos with "Grave Sifter"