107.5. Banishment
107.5.a. This space is where cards are placed when they are banished by a spell or effect.
107.5.b. Represents cards that have been removed from play in a more difficult-to-recover way, or a temporary space to hold cards while effects are being processed.
107.5.c. Each player has a separate banishment.
107.5.d. A card owned by a player can never, for any reason, be put into the banishment of another player. If it would be, it's put into its owner's banishment instead.
107.5.e. The cards in the banishment are unordered. Their sequence does not matter, and they may be reorganized.
107.5.f. The cards in any player's Banishment are Public Information. See rule 127. Privacy for more information.
107.5.g. Some spells or effects may reference cards placed into banishment directly.
107.5.h. Effects that reference cards in banishment only do so by means of also putting the cards there.
107.5.i. The effects or references to cards in banishment do not count as Choosing.
107.5.j. The effects or references to cards in banishment do not count as Attachment.