Cast Momentary Blink by paying its mana cost, blinking Abdel Adrian.
Abdel Adrian leaves and re-enters the battlefield, causing all cards exiled with it to be returned to the battlefield. Abdel Adrian and Repository Skaab's exploit ability trigger.
Resolve the Repository Skaab trigger, exploiting another creature and triggering its second ability.
Holding priority, activate any number of permanents by tapping them, adding at least {1}{W}
Resolve the Repository Skaab trigger, returning Momentary Blink from your graveyard to your hand.
Resolve the Abdel Adrian trigger, exiling the mana producing permanent(s) and Repository Skaab and creating that many 1/1 Soldier creature tokens.
Repeat.

Infinite LTB

Infinite ETB

Infinite sacrifice triggers

Infinite death triggers

Infinite storm count

Infinite creature tokens

Infinite blinking of nonland permanents you control

Infinite magecraft triggers

Infinite mana nonland permanents you control that enter the battlefield untapped can produce

Abdel Adrian, Gorion's Ward

Repository Skaab

Momentary Blink

Cast Undying Malice by paying {B}, targeting Repository Skaab.
Activate Phyrexian Altar by sacrificing Repository Skaab, adding {B}.
When Repository Skaab dies, it triggers, returning it from your graveyard to the battlefield.
When Repository Skaab enters the battlefield, its exploit ability and Necroduality trigger.
Resolve the Necroduality trigger, creating a token copy of it.
When the Repository Skaab token enters the battlefield, its exploit ability triggers; choose not to sacrifice a creature.
Resolve the Repository Skaab trigger from step 4, sacrificing the Repository Skaab token.
Repository Skaab's second ability triggers, returning Undying Malice to your hand from your graveyard.
Repeat.

Phyrexian Altar

Undying Malice

Necroduality

Cast Repository Skaab by paying {3}{U}.
When Repository Skaab enters, its exploit ability triggers.
Holding priority, cast Undying Malice by paying {B}, targeting Repository Skaab.
Resolve the Repository Skaab trigger, causing it to exploit itself. Pitiless Plunderer, Repository Skaab's second ability and Repository Skaab's ability gained from Undying Malice trigger.
Resolve the Pitiless Plunderer trigger, creating a Treasure token.
Activate the Treasure by tapping and sacrificing it, adding {B}.
Resolve the first Repository Skaab trigger, returning Undying Malice from your graveyard to your hand.
Resolve the second Repository Skaab trigger, returning it from your graveyard to the battlefield.
Repeat from step 2.

Pitiless Plunderer

Cast Time Warp by paying its mana cost, causing you to take an extra turn after this one.
Cast Repository Skaab by paying {3}{U}.
When Repository Skaab enters the battlefield, its first ability triggers, causing it to exploit itself. Its second ability then triggers, returning Time Warp from your graveyard to your hand.
At the beginning of your end step, Golbez's second ability triggers, returning Repository Skaab from your graveyard to your hand.
Repeat each turn.

Infinite turns

Golbez, Crystal Collector

Time Warp

Cast Feign Death by paying {B}, targeting Repository Skaab.
Activate Phyrexian Altar by sacrificing Repository Skaab, adding {B}.
When Repository Skaab dies, it triggers, returning it from your graveyard to the battlefield.
When Repository Skaab enters the battlefield, its exploit ability and Necroduality trigger.
Resolve the Necroduality trigger, creating a token copy of it.
When the Repository Skaab token enters the battlefield, its exploit ability triggers; choose not to sacrifice a creature.
Resolve the Repository Skaab trigger from step 4, sacrificing the Repository Skaab token.
Repository Skaab's second ability triggers, returning Feign Death to your hand from your graveyard.
Repeat.

Feign Death

Cast Supernatural Stamina by paying {B}, targeting Repository Skaab.
Activate Phyrexian Altar by sacrificing Repository Skaab, adding {B}.
When Repository Skaab dies, it triggers, returning it from your graveyard to the battlefield.
When Repository Skaab enters the battlefield, its exploit ability and Necroduality trigger.
Resolve the Necroduality trigger, creating a token copy of it.
When the Repository Skaab token enters the battlefield, its exploit ability triggers; choose not to sacrifice a creature.
Resolve the Repository Skaab trigger from step 4, sacrificing the Repository Skaab token.
Repository Skaab's second ability triggers, returning Supernatural Stamina to your hand from your graveyard.
Repeat.

Supernatural Stamina

Cast Not Dead After All by paying {B}, targeting Repository Skaab.
Activate Phyrexian Altar by sacrificing Repository Skaab, adding {B}.
When Repository Skaab dies, it triggers, as well as any Wicked Role token(s) that may be attached to it.
Resolve the Wicked Role trigger(s), if applicable, causing each opponent to lose that much life.
Resolve the Repository Skaab trigger, returning it from your graveyard to the battlefield, then creating a Wicked Role token attached to it.
When Repository Skaab enters the battlefield, its exploit ability and Necroduality trigger.
Resolve the Necroduality trigger, creating a token copy of it.
When the Repository Skaab token enters the battlefield, its exploit ability triggers; choose not to sacrifice a creature.
Resolve the Repository Skaab trigger from step 4, sacrificing the Repository Skaab token.
Repository Skaab's second ability triggers, returning Not Dead After All to your hand from your graveyard.
Repeat.

Infinite lifeloss

Not Dead After All

Cast Repository Skaab by paying {0}.
When Repository Skaab enters the battlefield, it triggers, causing you to sacrifice it.
When Repository Skaab dies, Enduring Renewal triggers, returning it to your hand from your graveyard.
Repeat.

Rooftop Storm

Enduring Renewal

Cast Repository Skaab either from your hand or from the top of your library by paying {0}.
When Repository Skaab enters the battlefield, its exploit ability triggers, causing you to sacrifice it.
When Repository Skaab dies, Mortuary triggers, putting it on top of your library from your graveyard.
Repeat.

Combos with "Repository Skaab"