The Top-Most card has all Effect Text of all cards Attached to it appended to its Rules Text.
§ 434.1.c Core Rules PDF (officieel)
§ 434 Attach
§ 434.1 Attaching is the act of linking two cards on the board together to combine their effects in some way. This causes one or more cards to become Attached and at least one card to become a Top-Most Card. See rule 716. Attachment for more information.
