Crossword Puzzle Opening ploy

Clue: Opening ploy

Balanced hand opening in bridge (ONENO with 5 letters)
Dextrous opening? (AMBI with 4 letters)
Some baseball ploys (BUNTS with 5 letters)
Seller's ploy (REBATE with 6 letters)
Heart opening? (CARDIO with 6 letters)
Having openings: Suffix (PORA with 4 letters)
Opening line from a TV show that debuted on 1/5/61 (HELLOIMMISTERED with 15 letters)
Match-opening cry (ENGARDE with 7 letters)
"Opening" word (SESAME with 6 letters)
Web address opening (HTTP with 4 letters)