Library of Leng
Artifact · 
Library of Leng is part of 13 combos legal in Commander. Often combined with Wan Shi Tong, All-Knowing and Intruder Alarm.
Library of Leng
Artifact
You have no maximum hand size.
If an effect causes you to discard a card, discard it, but you may put it on top of your library instead of into your graveyard.
- Mana value
- 1
- Color identity
Frequently combined with
The cards that most often join Library of Leng across all of its 13 combos.
Roles in combos
Library of Leng can stand in for these generic cards, so it also fits the combos that require them.
- Artifact Castable for Exactly
- Noncreature Artifact with MV<=1
- Artifact with MV<=2 that has a generic mana cost
- Artifact Castable for
- Permanent Castable for
- Artifact Castable for that survives
- Noncreature Artifact Castable for
- Noncreature Artifact with MV <= 2 and a Generic Mana Cost
- Permanent Castable for
Combos with Library of Leng
13 combos legal in Commander.
Color Identity: U, R
Cards in combo:
Mary Read and Anne Bonny
Library of Leng
Transplant Theorist
Results in combo:
Infinite artifact ETB
Infinite artifact tokens
Infinite self-discard triggers
Infinite draw triggers
Infinite tapped Treasure tokens
Color Identity: U, R
Cards in combo:
Mary Read and Anne Bonny
Library of Leng
Quicksmith Genius
Results in combo:
Infinite artifact ETB
Infinite artifact tokens
Infinite draw triggers
Infinite self-discard triggers
Infinite tapped Treasure tokens
Color Identity: U, R
Cards in combo:
Mary Read and Anne Bonny
Library of Leng
Skyswimmer Koi
Results in combo:
Infinite artifact ETB
Infinite artifact tokens
Infinite self-discard triggers
Infinite draw triggers
Infinite tapped Treasure tokens
Color Identity: U, R
Cards in combo:
Mary Read and Anne Bonny
Library of Leng
Rook Turret
Results in combo:
Infinite artifact ETB
Infinite artifact tokens
Infinite draw triggers
Infinite self-discard triggers
Infinite tapped Treasure tokens
Color Identity: U
Cards in combo:
Wan Shi Tong, All-Knowing
Sage of the Falls
Library of Leng
Results in combo:
Infinite draw triggers
Infinite looting
Near-infinite creature tokens
Infinite self-discard triggers
Near-infinite creature ETB
Color Identity: U, R
Cards in combo:
Surly Badgersaur
Library of Leng
Skyswimmer Koi
Results in combo:
Infinite artifact ETB
Infinite artifact tokens
Infinite draw triggers
Infinite self-discard triggers
Infinite tapped Treasure tokens
Color Identity: U, R
Cards in combo:
Surly Badgersaur
Library of Leng
Rook Turret
Results in combo:
Infinite artifact ETB
Infinite artifact tokens
Infinite draw triggers
Infinite self-discard triggers
Infinite tapped Treasure tokens
Color Identity: U
Cards in combo:
Wan Shi Tong, All-Knowing
Library of Leng
Intruder Alarm
Kitsa, Otterball Elite
Results in combo:
Infinite creature ETB
Infinite creature tokens
Infinite self-discard triggers
Infinite draw triggers
Infinite mana creatures you control can produce
Infinite untap of creatures
Color Identity: U
Cards in combo:
Wan Shi Tong, All-Knowing
Library of Leng
Intruder Alarm
Enclave Cryptologist
Results in combo:
Infinite creature ETB
Infinite creature tokens
Infinite self-discard triggers
Infinite draw triggers
Infinite mana creatures you control can produce
Infinite untap of creatures
Color Identity: U
Cards in combo:
Wan Shi Tong, All-Knowing
Library of Leng
Urza, Powerstone Prodigy
Intruder Alarm
Phyrexian Altar
Results in combo:
Infinite creature LTB
Infinite creature ETB
Infinite colored mana
Infinite creature sacrifice triggers
Infinite death triggers
Infinite creature tokens
Infinite self-discard triggers
Infinite draw triggers
Infinite mana creatures you control can produce
Infinite untap of creatures
Color Identity: U
Cards in combo:
Wan Shi Tong, All-Knowing
Library of Leng
Urza, Powerstone Prodigy
Intruder Alarm
Ashnod's Altar
Results in combo:
Infinite creature LTB
Infinite creature ETB
Infinite creature sacrifice triggers
Infinite death triggers
Infinite colorless mana
Infinite creature tokens
Infinite self-discard triggers
Infinite draw triggers
Infinite mana creatures you control can produce
Infinite untap of creatures
Color Identity: W, U
Cards in combo:
Wan Shi Tong, All-Knowing
Library of Leng
Intruder Alarm
Arcade Gannon
Results in combo:
Infinite creature ETB
Infinite creature tokens
Infinite self-discard triggers
Infinite draw triggers
Infinite mana creatures you control can produce
Infinite untap of creatures
Color Identity: U, R
Cards in combo:
Wan Shi Tong, All-Knowing
Library of Leng
Urza, Powerstone Prodigy
Intruder Alarm
Thermopod
Results in combo:
Infinite creature LTB
Infinite creature ETB
Infinite creature sacrifice triggers
Infinite death triggers
Infinite red mana
Infinite creature tokens
Infinite self-discard triggers
Infinite draw triggers
Infinite mana creatures you control can produce
Infinite untap of creatures
