Cast Deceptive Frostkite by paying its mana cost, choosing to have it enter the battlefield as a copy of Bladewing.
Put Bladewing into your graveyard due to the legend rule.
Deceptive Frostkite's enter-the-battlefield ability triggers, returning Bladewing from your graveyard to the battlefield.
Put Bladewing into your graveyard due to the legend rule.
Bladewing's enter-the-battlefield ability triggers, returning it from your graveyard to the battlefield.
Repeat from step 4.

Infinite LTB

Infinite ETB

Infinite death triggers

Bladewing the Risen

Deceptive Frostkite

Cast Deceptive Frostkite by paying its mana cost, choosing to have it enter the battlefield as a copy of Wispweaver Angel
When Deceptive Frostkite enters the battlefield, it triggers, blinking Wispweaver Angel.
When Wispweaver Angel enters the battlefield, it triggers, blinking Deceptive Frostkite. Choose to have Deceptive Frostkite enter the battlefield as a copy of Wispweaver Angel.
Repeat from step 2.

Wispweaver Angel

Cast Carnage by paying {2}{B}{R}. When it enters, it triggers, returning Deceptive Frostkite from your graveyard to the battlefield as a copy of Carnage.
Put Deceptive Frostkite into your graveyard due to the legend rule.
Deceptive Frostkite's enter-the-battlefield ability triggers, returning itself from your graveyard to the battlefield as a copy of Carnage.
Repeat from step 2.

Carnage, Crimson Chaos

Activate Deceptive Frostkite by paying {1}{U}, shuffling Deceptive Frostkite into your library and milling your entire library due to it not having a card named Mirror-Mad Phantasm in it.

Infinite self-mill

Mirror-Mad Phantasm

Cast Deceptive Frostkite by paying its mana cost. Choose to have it enter as a copy of Anticausal Vestige.
When Deceptive Frostkite enters, Cloudstone Curio triggers, returning Anticausal Vestige from the battlefield to your hand.
When Anticausal Vestige leaves the battlefield, it triggers, causing you to draw a card and and put Anticausal Vestige from your hand onto the battlefield.
When Anticausal Vestige enters, Cloudstone Curio triggers, returning Deceptive Frostkite from the battlefield to your hand.
When Deceptive Frostkite leaves the battlefield, it triggers, causing you to draw a card and put Deceptive Frostkite from your hand onto the battlefield as a copy of Anticausal Vestige.
Repeat from step 2.

Infinite card draw

Near-infinite ETB

Infinite draw triggers

Near-infinite storm count

Near-infinite LTB

Anticausal Vestige

Cloudstone Curio

Cast Deceptive Frostkite by paying its mana cost, choosing to have it enter the battlefield as a copy of Abdel Adrian.
Put the original Abdel Adrian into your graveyard due to the legend rule, causing Karmic Guide to return to the battlefield from exile.
Karmic Guide and Deceptive Frostkite's abilities trigger.
Resolve the Deceptive Frostkite ability, choosing to exile Karmic Guide until Deceptive Frostkite leaves the battlefield and creating a 1/1 Soldier creature token.
Resolve the Karmic Guide trigger, returning Abdel Adrian from your graveyard to the battlefield.
Put Deceptive Frostkite into your graveyard due to the legend rule, causing Karmic Guide to return to the battlefield from exile.
Karmic Guide and Abdel Adrian's abilities trigger.
Resolve the Abdel Adrian ability, exiling Karmic Guide until Abdel Adrian leaves the battlefield and creating a 1/1 Soldier creature token.
Resolve the Karmic Guide trigger, returning Deceptive Frostkite from your graveyard to the battlefield as a copy of Abdel Adrian.
Repeat from step 2.

Infinite creature tokens

Infinite blinking of nonland permanents

Abdel Adrian, Gorion's Ward

Karmic Guide

Cast Chronomantic Escape by paying {4}{W}{W}, causing creatures to be unable to attack you until your next turn, and putting Chronomantic Escape into exile with three time counters on it.
At the beginning of your postcombat main phase, both copies of Sphinx of the Second Sun trigger, causing you to get two additional beginning phases after this phase.
Move to your first additional beginning phase.
At the beginning of your upkeep, Chronomantic Escape triggers, removing a time counter from itself.
Repeat from step 3 one additional time.
At the beginning of your next upkeep, Chronomantic Escape triggers, removing a time counter from itself and causing you to cast it without paying its mana cost.
Resolve Chronomantic Escape,  causing creatures to be unable to attack you until your next turn, and putting Chronomantic Escape into exile with three time counters on it.
Repeat from step 2.

You can't be attacked

Lock

Chronomantic Escape

Sphinx of the Second Sun

Cast Deceptive Frostkite by paying its mana cost. Choose to have it enter the battlefield as a copy of Ao.
Put Deceptive Frostkite into your graveyard due to the legend rule.
When Deceptive Frostkite dies, it and Mortuary trigger.
Resolve the Mortuary trigger, putting Deceptive Frostkite from your graveyard onto the top of your library.
Resolve the Deceptive Frostkite trigger, causing you to look at the top seven cards of your library and put Deceptive Frostkite onto the battlefield as a copy of Ao.
Repeat from step 2.

Ao, the Dawn Sky

Mortuary

Cast Deceptive Frostkite by paying its mana cost. Choose to have it enter the battlefield as a copy of Rakdos Joins Up.
Put Deceptive Frostkite into your graveyard due to the legend rule.
Deceptive Frostkite's first ability and second ability trigger, along with Rakdos Joins Up's second ability.
Resolve Deceptive Frostkite's second trigger and Rakdos Joins Up's trigger, dealing damage to target opponent.
Resolve Deceptive Frostkite's first trigger, returning it from your graveyard to the battlefield with two +1/+1 counters on it as a copy of Rakdos Joins Up.
Repeat from step 2.

Infinite damage

Rakdos Joins Up

Starfield of Nyx

Opalescence

Activate Zur by paying {1}{W}, causing Rakdos Joins Up to become a creature.
Cast Deceptive Frostkite by paying its mana cost. Choose to have it enter the battlefield as a copy of Rakdos Joins Up.
Put Deceptive Frostkite into your graveyard due to the legend rule.
Deceptive Frostkite's first ability and second ability trigger, along with Rakdos Joins Up's second ability.
Resolve Deceptive Frostkite's second trigger and Rakdos Joins Up's trigger, dealing damage to target opponent and causing you to gain that much life.
Resolve Deceptive Frostkite's first trigger, returning it from your graveyard to the battlefield with two +1/+1 counters on it as a copy of Rakdos Joins Up.
Repeat from step 3.

Combos with "Deceptive Frostkite"