How many cards should my deck have? I'd say **40**. Yeah 41 or 42 won't hurt a lot, but still the probability of drawing a starter already decreases with that number. Many What is the best starter deck in YuGiOh Master Duel? VG247 The Best Starter Deck In Yu Gi Oh Master Duel (2023) Card Gamer With the release of MZMT, Odion's deck from the original series anime finally gets a much needed upgrade that further expands on his Continuous Traps and infamous Spell Temple of the Kings.