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.
Illustrated by Daniel Gelon · Summer Magic / Edgar (SUM)
Legalities
- Standard
- Not Legal
- Pioneer
- Not Legal
- Modern
- Not Legal
- Legacy
- Legal
- Vintage
- Legal
- Duel Commander
- Legal
- Pauper
- Legal
Printings
-
Special Guests
#158
mythic
2026-04-24
-
30th Anniversary Edition
#551
uncommon
2022-11-28
-
30th Anniversary Edition
#254
uncommon
2022-11-28
-
Masters Edition IV
#211
common
2011-01-10
-
Fifth Edition
#387
uncommon
1997-03-24
-
Fourth Edition
#333
uncommon
1995-04-01
-
Summer Magic / Edgar
#261
uncommon
1994-06-21
-
Revised Edition
#261
uncommon
1994-04-11
-
Intl. Collectors' Edition
#258
uncommon
1993-12-10
-
Collectors' Edition
#258
uncommon
1993-12-10
-
Unlimited Edition
#258
uncommon
1993-12-01
-
Limited Edition Beta
#258
uncommon
1993-10-04
-
Limited Edition Alpha
#257
uncommon
1993-08-05
Rulings
-
You can't use the Library of Leng ability to place a discarded card on top of your library when you discard a card as a cost, because costs aren't effects.
-
The discard triggers anything else that triggers on discards.
-
You can look at a randomly discarded card before deciding where it goes.
-
This effect has no effect on the cards being put into the graveyard from a library, because they are not "discarded".
-
If more than one card is discarded due to a single effect, the Library allows you to decide whether or not to use it on each of the cards. You get to decide the order the cards are placed on the library if more than one goes there.
-
Since the card goes directly to the library, the card is not revealed unless the spell or ability requiring the discard specifically says it is.
-
The ability replaces the normal discard action with a discard action that puts the card on the library instead of the graveyard.
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The ability applies any time a spell or ability has you discard as part of its effect. It does not matter if you or your opponent control the spell or ability. The discard is forced because it is an effect.
-
If multiple effects modify your hand size, apply them in timestamp order. For example, if you put Null Profusion (an enchantment that says your maximum hand size is two) onto the battlefield and then put Library of Leng onto the battlefield, you'll have no maximum hand size. However, if those permanents entered in the opposite order, your maximum hand size would be two.
Archetypes that play this card
No recorded archetypes include this card yet.