Your maindeck plan is more powerful than almost anything your opponent might be doing, so make sure you dont dilute your deck with useless cards that only have minor value against what they present
The 6-pack format also reduces varianceif you open a cold box (no hits), it hurts less than a cold full box
Early sales exceeded expectations by a huge margin and so WOTC basically finished the 1st Ed printing early on and immediately switched to Unlimited which happened to be the Shadowless variants at first before going to what became the actual Unlimited cards with the shadows and other changes made to the cards
Although Clone strategies can be sometimes overdone, I like them for their ability to scale to the other decks in the pod
Put the rest on the bottom of your library in a random order. While three or less might not sound like much, MTG is full to bursting with cards which only cost three mana or less that can win a game
[25] Gems - These work similarly to type-enhancers, but provide a one-time 30% boost (50% in Gen V) before being consumed