Your child's teacher says "practise Phase 3 sounds" — and the internet answers with PDF hunts, login walls and watermarks. This just prints the cards: pick the phase, sounds or tricky words, 4 or 8 per page, done. Uses the standard Letters & Sounds sequence that Little Wandle and ELS follow. No signup, nothing uploaded.
Phase 4 isn't listed because it teaches no new sounds — it practises blending the Phase 2–3 sounds in longer words (its tricky words are under Phase 3/5 sets here per the standard sequence). Print on card, or paper glued to cereal box. Lowercase throughout, as schools teach. If your school uses Read Write Inc, sound order differs a little — our Phonics Book Finder translates between schemes.