CANTALOUPE

THATDOESIT"Enough already!" HIGHSTAKESWith a lot on the line, or a phonetic hint to 3-, 8-, 15-, and 23-Down CEREBRATEDThought before entering bet, card getting dealt (10) ZZZZFUYWUYBear of children's rhyme MAGNACARTADocument sealed at Runnymede in 1215 (5,5) METHUSELAHBiblical patriarch – bottle holding six litres of wine (10) SUPERWOMANShe flies American back every week to country (10) AUTHORSHIPWriting this, hour wasted filling a puzzle at the beginning (10) BIGBROTHERUbiquitous leader is great alongside fellow union member (3,7) MINDTHEGAPWarning on exiting tube train (4,3,3) STRIPPOKERCard game that's really taking off? MEMORYLANETake a nostalgic trip down this (6,4) ZZBUALDRINAstronaut for whom a Pixar character is named SETTOMUSICNoted work?