For example, one of the most common errors I see when building a tribal deck is to simply not have enough creatures
Draft Boosters (typically) have 10 commons, 3 uncommons, and 1 rare or mythic rare (these numbers don't include traditional foils, which aren't in every booster)
Duel Monsters is an excellent mix of fantasy, action, suspense, and mystery
Plus, Garchomp fans get to see this powerhouse in all of its glory, showing off in the battle of a lifetime - card artwork doesn't get any cooler than that
The +1 sacrifice effect can break through in games where the board has stalled, or even set up some graveyard shenanigans as a sacrifice outlet
The various Merlin cards offer advantages when they are played and when they leave play